diff --git a/Content.Server/Abilities/Psionics/Abilities/AssayPowerSystem.cs b/Content.Server/Abilities/Psionics/Abilities/AssayPowerSystem.cs
new file mode 100644
index 00000000000..4fe08f303ce
--- /dev/null
+++ b/Content.Server/Abilities/Psionics/Abilities/AssayPowerSystem.cs
@@ -0,0 +1,140 @@
+using Content.Server.Chat.Managers;
+using Content.Shared.Abilities.Psionics;
+using Content.Shared.Actions.Events;
+using Content.Shared.Chat;
+using Content.Shared.DoAfter;
+using Content.Shared.Popups;
+using Content.Shared.Psionics.Events;
+using Robust.Server.Audio;
+using Robust.Shared.Audio;
+using Robust.Server.Player;
+using Robust.Shared.Timing;
+using Robust.Shared.Player;
+
+namespace Content.Server.Abilities.Psionics;
+
+public sealed class AssayPowerSystem : EntitySystem
+{
+    [Dependency] private readonly SharedPsionicAbilitiesSystem _psionics = default!;
+    [Dependency] private readonly IGameTiming _gameTiming = default!;
+    [Dependency] private readonly SharedDoAfterSystem _doAfterSystem = default!;
+    [Dependency] private readonly AudioSystem _audioSystem = default!;
+    [Dependency] private readonly SharedPopupSystem _popups = default!;
+    [Dependency] private readonly IChatManager _chatManager = default!;
+    [Dependency] private readonly IPlayerManager _playerManager = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<PsionicComponent, AssayPowerActionEvent>(OnPowerUsed);
+        SubscribeLocalEvent<PsionicComponent, AssayDoAfterEvent>(OnDoAfter);
+    }
+
+    /// <summary>
+    ///     This power activates when scanning any entity, displaying to the player's chat window a variety of psionic related statistics about the target.
+    /// </summary>
+    private void OnPowerUsed(EntityUid uid, PsionicComponent psionic, AssayPowerActionEvent args)
+    {
+        if (!_psionics.OnAttemptPowerUse(args.Performer, "assay")
+            || psionic.DoAfter is not null)
+            return;
+
+        var ev = new AssayDoAfterEvent(_gameTiming.CurTime, args.FontSize, args.FontColor);
+        _doAfterSystem.TryStartDoAfter(new DoAfterArgs(EntityManager, args.Performer, args.UseDelay - TimeSpan.FromSeconds(psionic.CurrentAmplification), ev, args.Performer, args.Target, args.Performer)
+        {
+            BlockDuplicate = true,
+            BreakOnMove = true,
+            BreakOnDamage = true,
+        }, out var doAfterId);
+        psionic.DoAfter = doAfterId;
+
+        _popups.PopupEntity(Loc.GetString(args.PopupTarget, ("entity", args.Target)), args.Performer, PopupType.Medium);
+
+        _audioSystem.PlayPvs(args.SoundUse, args.Performer, AudioParams.Default.WithVolume(8f).WithMaxDistance(1.5f).WithRolloffFactor(3.5f));
+        _psionics.LogPowerUsed(args.Performer, args.PowerName, args.MinGlimmer, args.MaxGlimmer);
+        args.Handled = true;
+    }
+
+    /// <summary>
+    ///     Assuming the DoAfter wasn't canceled, the user wasn't mindbroken, and the target still exists, prepare the scan results!
+    /// </summary>
+    private void OnDoAfter(EntityUid uid, PsionicComponent component, AssayDoAfterEvent args)
+    {
+        if (component is null)
+            return;
+        component.DoAfter = null;
+
+        var user = uid;
+        var target = args.Target;
+        if (target == null || args.Cancelled
+            || !_playerManager.TryGetSessionByEntity(user, out var session))
+            return;
+
+        if (InspectSelf(uid, args, session))
+            return;
+
+        if (!TryComp<PsionicComponent>(target, out var targetPsionic))
+        {
+            var noPowers = Loc.GetString("no-powers", ("entity", target));
+            _popups.PopupEntity(noPowers, user, user, PopupType.LargeCaution);
+
+            // Incredibly spooky message for non-psychic targets.
+            var noPowersFeedback = $"[font size={args.FontSize}][color={args.FontColor}]{noPowers}[/color][/font]";
+            SendDescToChat(noPowersFeedback, session);
+            return;
+        }
+
+        InspectOther(targetPsionic, args, session);
+    }
+
+    /// <summary>
+    ///     This is a special use-case for scanning yourself with the power. The player receives a unique feedback message if they do so.
+    ///     It however displays significantly less information when doing so. Consider this an intriguing easter egg.
+    /// </summary>
+    private bool InspectSelf(EntityUid uid, AssayDoAfterEvent args, ICommonSession session)
+    {
+        if (args.Target != args.User)
+            return false;
+
+        var user = uid;
+        var target = args.Target;
+
+        var assaySelf = Loc.GetString("assay-self", ("entity", target!.Value));
+        _popups.PopupEntity(assaySelf, user, user, PopupType.LargeCaution);
+
+        var assaySelfFeedback = $"[font size=20][color=#ff0000]{assaySelf}[/color][/font]";
+        SendDescToChat(assaySelfFeedback, session);
+        return true;
+    }
+
+    /// <summary>
+    ///     If the target turns out to be a psychic, display their feedback messages in chat.
+    /// </summary>
+    private void InspectOther(PsionicComponent targetPsionic, AssayDoAfterEvent args, ICommonSession session)
+    {
+        var target = args.Target;
+        var targetAmp = MathF.Round(targetPsionic.CurrentAmplification, 2).ToString("#.##");
+        var targetDamp = MathF.Round(targetPsionic.CurrentDampening, 2).ToString("#.##");
+        var targetPotentia = MathF.Round(targetPsionic.Potentia, 2).ToString("#.##");
+        var message = $"[font size={args.FontSize}][color={args.FontColor}]{Loc.GetString("assay-body", ("entity", target!.Value), ("amplification", targetAmp), ("dampening", targetDamp), ("potentia", targetPotentia))}[/color][/font]";
+        SendDescToChat(message, session);
+
+        foreach (var feedback in targetPsionic.AssayFeedback)
+        {
+            var locale = Loc.GetString(feedback, ("entity", target!.Value));
+            var feedbackMessage = $"[font size={args.FontSize}][color={args.FontColor}]{locale}[/color][/font]";
+            SendDescToChat(feedbackMessage, session);
+        }
+    }
+
+    private void SendDescToChat(string feedbackMessage, ICommonSession session)
+    {
+        _chatManager.ChatMessageToOne(
+            ChatChannel.Emotes,
+            feedbackMessage,
+            feedbackMessage,
+            EntityUid.Invalid,
+            false,
+            session.Channel);
+    }
+}
diff --git a/Content.Shared/Actions/Events/AssayPowerActionEvent.cs b/Content.Shared/Actions/Events/AssayPowerActionEvent.cs
new file mode 100644
index 00000000000..dc25d343313
--- /dev/null
+++ b/Content.Shared/Actions/Events/AssayPowerActionEvent.cs
@@ -0,0 +1,30 @@
+using Robust.Shared.Audio;
+
+namespace Content.Shared.Actions.Events;
+
+public sealed partial class AssayPowerActionEvent : EntityTargetActionEvent
+{
+    [DataField]
+    public TimeSpan UseDelay = TimeSpan.FromSeconds(8f);
+
+    [DataField]
+    public SoundSpecifier SoundUse = new SoundPathSpecifier("/Audio/Psionics/heartbeat_fast.ogg");
+
+    [DataField]
+    public string PopupTarget = "assay-begin";
+
+    [DataField]
+    public int FontSize = 12;
+
+    [DataField]
+    public string FontColor = "#8A00C2";
+
+    [DataField]
+    public int MinGlimmer = 3;
+
+    [DataField]
+    public int MaxGlimmer = 6;
+
+    [DataField]
+    public string PowerName = "assay";
+}
diff --git a/Content.Shared/Psionics/Events.cs b/Content.Shared/Psionics/Events.cs
index 68ec3097e7d..6705e940cd5 100644
--- a/Content.Shared/Psionics/Events.cs
+++ b/Content.Shared/Psionics/Events.cs
@@ -1,6 +1,7 @@
 using Robust.Shared.Serialization;
 using Content.Shared.Damage;
 using Content.Shared.DoAfter;
+using Content.Shared.Abilities.Psionics;
 
 namespace Content.Shared.Psionics.Events;
 
@@ -67,3 +68,29 @@ public PsionicHealOtherDoAfterEvent(TimeSpan startedAt)
 
     public override DoAfterEvent Clone() => this;
 }
+
+[Serializable, NetSerializable]
+public sealed partial class AssayDoAfterEvent : DoAfterEvent
+{
+    [DataField(required: true)]
+    public TimeSpan StartedAt;
+
+    [DataField]
+    public int FontSize = 12;
+
+    [DataField]
+    public string FontColor = "#8A00C2";
+
+    private AssayDoAfterEvent()
+    {
+    }
+
+    public AssayDoAfterEvent(TimeSpan startedAt, int fontSize, string fontColor)
+    {
+        StartedAt = startedAt;
+        FontSize = fontSize;
+        FontColor = fontColor;
+    }
+
+    public override DoAfterEvent Clone() => this;
+}
diff --git a/Resources/Locale/en-US/abilities/psionic.ftl b/Resources/Locale/en-US/abilities/psionic.ftl
index d0e8db72f8c..c8eb9635946 100644
--- a/Resources/Locale/en-US/abilities/psionic.ftl
+++ b/Resources/Locale/en-US/abilities/psionic.ftl
@@ -68,3 +68,6 @@ action-description-psychokinesis = Bend the fabric of space to instantly move ac
 
 action-name-rf-sensitivity = Toggle RF Sensitivity
 action-desc-rf-sensitivity = Toggle your ability to interpret radio waves on and off.
+
+action-name-assay = Assay
+action-description-assay = Probe an entity at close range to glean metaphorical information about any powers they may have
diff --git a/Resources/Locale/en-US/psionics/psionic-powers.ftl b/Resources/Locale/en-US/psionics/psionic-powers.ftl
index ab2a991e06f..f7d225f58fc 100644
--- a/Resources/Locale/en-US/psionics/psionic-powers.ftl
+++ b/Resources/Locale/en-US/psionics/psionic-powers.ftl
@@ -183,3 +183,33 @@ ghost-role-information-familiar-description = An interdimensional creature bound
 ghost-role-information-familiar-rules =
     Obey the one who summoned you. Do not act against the interests of your Master. You will die for your Master if it is necessary.
 
+# Assay Power
+assay-begin = The air around {CAPITALIZE($entity)} begins to shimmer faintly
+assay-self = I AM.
+no-powers = {CAPITALIZE($entity)} will never awaken from the dream in this life
+assay-body = "My will cast upon {CAPITALIZE($entity)} divines these. Amplification: {$amplification} Dampening: {$dampening} Potentia: {$potentia}"
+assay-power-initialization-feedback =
+    I descend into the dreamlight once more, there I drink more fully of the cup of knowledge. The touch of the noosphere upon others becomes known to me,
+    I can cast my will upon them, divining the inner nature of others.
+assay-power-metapsionic-feedback = {CAPITALIZE($entity)} bears a spark of the divine's judgment, they have drunk deeply of the cup of knowledge.
+
+# Entity Specific Feedback Messages
+ifrit-feedback = A spirit of Gehenna, bound by the will of a powerful psychic
+prober-feedback = A mirror into the end of time, the screaming of dead stars emanates from this machine
+drain-feedback = A mirror into a realm where the stars sit still forever, a cold and distant malevolence stares back
+sophic-grammateus-feedback = SEEKER, YOU NEED ONLY ASK FOR MY WISDOM.
+oracle-feedback = WHY DO YOU BOTHER ME SEEKER? HAVE I NOT MADE MY DESIRES CLEAR?
+orecrab-feedback = Heralds of the Lord of Earth, summoned to this realm from Grome's kingdom
+reagent-slime-feedback = Heralds of the Lord of Water, summoned to this realm from Straasha's kingdom.
+flesh-golem-feedback = Abominations pulled from dead realms, twisted amalgamations of those fallen to the influence of primordial Chaos
+glimmer-mite-feedback = A semi-corporeal parasite native to the dreamlight, its presence here brings forth the screams of dead stars.
+anomaly-pyroclastic-feedback = A small mirror to the plane of Gehenna, truth lies within the Secret of Fire
+anomaly-gravity-feedback = Violet and crimson, blue of blue, impossibly dark yet greater than the whitest of white, a black star shines weakly at the end of it all
+anomaly-electricity-feedback = A mirror to a realm tiled by silicon, the lifeblood of artificial thought flows from it
+anomaly-flesh-feedback = From within it comes the suffering of damned mutants howling for all eternity
+anomaly-bluespace-feedback = A bridge of dreamlight, crossing into the space between realms of the multiverse
+anomaly-ice-feedback = Walls of blackened stone, ruin and famine wait for those who fall within
+anomaly-rock-feedback = A vast old oak dwells high over a plane of stone, it turns to stare back
+anomaly-flora-feedback = Musical notes drift around you, playfully beckoning, they wish to feast
+anomaly-liquid-feedback = A realm of twisting currents. Its placidity is a lie. The eyes within stare hungrilly
+anomaly-shadow-feedback = At the end of time, when all suns have set forever, there amidst the void stands a monument to past sins.
diff --git a/Resources/Prototypes/Actions/psionics.yml b/Resources/Prototypes/Actions/psionics.yml
index c6d9e17c2ac..97d19aae5f6 100644
--- a/Resources/Prototypes/Actions/psionics.yml
+++ b/Resources/Prototypes/Actions/psionics.yml
@@ -367,3 +367,22 @@
         followMaster: true
         minGlimmer: 5
         maxGlimmer: 10
+
+- type: entity
+  id: ActionAssay
+  name: action-name-assay
+  description: action-description-assay
+  categories: [ HideSpawnMenu ]
+  components:
+    - type: EntityTargetAction
+      icon: { sprite: Interface/Actions/psionics.rsi, state: assay }
+      useDelay: 45
+      checkCanAccess: false
+      range: 2
+      itemIconStyle: BigAction
+      canTargetSelf: true
+      blacklist:
+        components:
+          - PsionicInsulation
+          - Mindbroken
+      event: !type:AssayPowerActionEvent
diff --git a/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml b/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml
index 12b5f7f2007..42c12b1fd64 100644
--- a/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml
+++ b/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml
@@ -92,6 +92,8 @@
     nameSegments: [names_golem]
   - type: Psionic
     removable: false
+    assayFeedback:
+      - ifrit-feedback
     psychognomicDescriptors:
       - p-descriptor-bound
       - p-descriptor-cyclic
diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml b/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml
index 94ba7ec4188..bc5e0239d6a 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml
@@ -74,6 +74,7 @@
   - type: ZombieImmune
   - type: ClothingRequiredStepTriggerImmune
     slots: All
+  - type: Dispellable
 
 - type: entity
   abstract: true
@@ -104,6 +105,9 @@
     damageContainer: StructuralInorganic
   - type: Psionic
     removable: false
+    roller: false
+    assayFeedback:
+      - orecrab-feedback
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower
@@ -303,6 +307,9 @@
     solution: bloodstream
   - type: Psionic
     removable: false
+    roller: false
+    assayFeedback:
+      - reagent-slime-feedback
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower
diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml b/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml
index 06ab02dedc9..bdf87ec87d9 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml
@@ -54,6 +54,11 @@
         Slash: 6
   - type: ReplacementAccent
     accent: genericAggressive
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - flesh-golem-feedback
 
 - type: entity
   parent: BaseMobFlesh
diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml b/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml
index 52f3844c25f..5fcada3f7f3 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml
@@ -23,6 +23,10 @@
         - ReagentId: Ectoplasm
           Quantity: 15
   - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - glimmer-mite-feedback
   - type: GlimmerSource
   - type: AmbientSound
     range: 6
diff --git a/Resources/Prototypes/Entities/Structures/Specific/Anomaly/anomalies.yml b/Resources/Prototypes/Entities/Structures/Specific/Anomaly/anomalies.yml
index 82945860483..02184fc6139 100644
--- a/Resources/Prototypes/Entities/Structures/Specific/Anomaly/anomalies.yml
+++ b/Resources/Prototypes/Entities/Structures/Specific/Anomaly/anomalies.yml
@@ -50,6 +50,7 @@
       path: /Audio/Effects/teleport_arrival.ogg
   - type: Psionic
     removable: false
+    roller: false
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower
@@ -106,6 +107,11 @@
   - type: IgniteOnCollide
     fixtureId: fix1
     fireStacks: 1
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-pyroclastic-feedback
 
 - type: entity
   id: AnomalyGravity
@@ -138,6 +144,11 @@
   - type: SingularityDistortion
     intensity: 1000
     falloffPower: 2.7
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-gravity-feedback
 
 - type: entity
   id: AnomalyElectricity
@@ -161,6 +172,11 @@
     castShadows: false
   - type: ElectricityAnomaly
   - type: Electrified
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-electricity-feedback
 
 - type: entity
   id: AnomalyFlesh
@@ -254,6 +270,11 @@
       - MobFleshClamp
       - MobFleshLover
       - FleshKudzu
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-flesh-feedback
 
 - type: entity
   id: AnomalyBluespace
@@ -304,6 +325,11 @@
     anomalyContactDamage:
       types:
         Radiation: 10
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-bluespace-feedback
 
 - type: entity
   id: AnomalyIce
@@ -352,6 +378,11 @@
     releasedGas: 8 # Frezon. Please replace if there is a better way to specify this
     releaseOnMaxSeverity: true
     spawnRadius: 0
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-ice-feedback
 
 - type: entity
   id: AnomalyRockBase
@@ -390,6 +421,11 @@
         maxAmount: 50
         maxRange: 12
       floor: FloorAsteroidTile
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-rock-feedback
 
 - type: entity
   id: AnomalyRockUranium
@@ -649,6 +685,11 @@
         maxRange: 6
       spawns:
       - KudzuFlowerAngry
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-flora-feedback
 
 - type: entity
   id: AnomalyFloraBulb
@@ -808,6 +849,11 @@
     solution: anomaly
   - type: InjectableSolution
     solution: beaker
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-liquid-feedback
 
 - type: entity
   id: AnomalyShadow
@@ -864,3 +910,8 @@
   - type: Tag
     tags:
       - SpookyFog
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - anomaly-shadow-feedback
diff --git a/Resources/Prototypes/Entities/Structures/Specific/oracle.yml b/Resources/Prototypes/Entities/Structures/Specific/oracle.yml
index 3e2ed9508e3..e908ecab66f 100644
--- a/Resources/Prototypes/Entities/Structures/Specific/oracle.yml
+++ b/Resources/Prototypes/Entities/Structures/Specific/oracle.yml
@@ -18,6 +18,8 @@
   - type: Actions
   - type: Psionic
     removable: false
+    assayFeedback:
+      - oracle-feedback
     psychognomicDescriptors:
       - p-descriptor-old
       - p-descriptor-demiurgic
diff --git a/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/glimmer_prober.yml b/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/glimmer_prober.yml
index 0eede9c2810..1bb752ade46 100644
--- a/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/glimmer_prober.yml
+++ b/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/glimmer_prober.yml
@@ -6,6 +6,8 @@
   components:
   - type: Psionic
     removable: false
+    assayFeedback:
+      - prober-feedback
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower
@@ -93,6 +95,8 @@
   components:
   - type: Psionic
     removable: false
+    assayFeedback:
+      - drain-feedback
   - type: GlimmerSource
     addToGlimmer: false
   - type: Construction
diff --git a/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/sophicscribe.yml b/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/sophicscribe.yml
index f92c9b07400..6f7b02cb6b8 100644
--- a/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/sophicscribe.yml
+++ b/Resources/Prototypes/Nyanotrasen/Entities/Structures/Research/sophicscribe.yml
@@ -25,6 +25,8 @@
   - type: Actions
   - type: Psionic
     removable: false
+    assayFeedback:
+      - sophic-grammateus-feedback
     psychognomicDescriptors:
       - p-descriptor-old
       - p-descriptor-demiurgic
diff --git a/Resources/Prototypes/Nyanotrasen/Roles/Jobs/Epistemics/forensicmantis.yml b/Resources/Prototypes/Nyanotrasen/Roles/Jobs/Epistemics/forensicmantis.yml
index f7a31205706..961bbf05fd0 100644
--- a/Resources/Prototypes/Nyanotrasen/Roles/Jobs/Epistemics/forensicmantis.yml
+++ b/Resources/Prototypes/Nyanotrasen/Roles/Jobs/Epistemics/forensicmantis.yml
@@ -39,6 +39,7 @@
       powersToAdd:
         - MetapsionicPower
         - TelepathyPower
+        - AssayPower
 
 - type: startingGear
   id: ForensicMantisGear
diff --git a/Resources/Prototypes/Psionics/psionics.yml b/Resources/Prototypes/Psionics/psionics.yml
index 548881e61f7..b1e9d783a8e 100644
--- a/Resources/Prototypes/Psionics/psionics.yml
+++ b/Resources/Prototypes/Psionics/psionics.yml
@@ -170,6 +170,9 @@
     - !type:AddPsionicStatSources
       amplificationModifier: 0.5
       dampeningModifier: 0.5
+    - !type:PsionicAddAvailablePowers
+      powerPrototype: AssayPower
+      weight: 0.1
   removalFunctions:
     - !type:RemovePsionicActions
     - !type:RemovePsionicPowerComponents
@@ -178,6 +181,8 @@
     - !type:RemovePsionicStatSources
     - !type:RemoveAssayFeedback
       assayFeedback: metapsionic-power-metapsionic-feedback
+    - !type:PsionicRemoveAvailablePowers
+      powerPrototype: AssayPower
 
 - type: psionicPower
   id: PsionicRegenerationPower
@@ -661,3 +666,25 @@
     - !type:RemovePsionicPsychognomicDescriptors
       psychognomicDescriptor: calling
   powerSlotCost: 0
+
+- type: psionicPower
+  id: AssayPower
+  name: Assay
+  powerCategories:
+    - Mentalic
+  initializeFunctions:
+    - !type:AddPsionicActions
+      actions:
+        - ActionAssay
+    - !type:PsionicFeedbackPopup
+    - !type:PsionicFeedbackSelfChat
+      feedbackMessage: assay-power-initialization-feedback
+    - !type:AddPsionicAssayFeedback
+      assayFeedback: assay-power-metapsionic-feedback
+    - !type:AddPsionicStatSources
+      dampeningModifier: 0.5
+  removalFunctions:
+    - !type:RemovePsionicActions
+    - !type:RemovePsionicStatSources
+    - !type:RemoveAssayFeedback
+      assayFeedback: assay-power-metapsionic-feedback
diff --git a/Resources/Textures/Interface/Actions/psionics.rsi/assay.png b/Resources/Textures/Interface/Actions/psionics.rsi/assay.png
new file mode 100644
index 00000000000..f245ca9e5e3
Binary files /dev/null and b/Resources/Textures/Interface/Actions/psionics.rsi/assay.png differ
diff --git a/Resources/Textures/Interface/Actions/psionics.rsi/meta.json b/Resources/Textures/Interface/Actions/psionics.rsi/meta.json
index 735bc293d15..dd9833b560b 100644
--- a/Resources/Textures/Interface/Actions/psionics.rsi/meta.json
+++ b/Resources/Textures/Interface/Actions/psionics.rsi/meta.json
@@ -1,12 +1,15 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "healing_word, revivify, shadeskip by leonardo_dabepis (discord), telekinetic_pulse by .mocho (discord), pyrokinetic_flare, summon_remilia, summon_bat and summon_imp by ghost581 (discord)",
+  "copyright": "assay, healing_word, revivify, shadeskip by leonardo_dabepis (discord), telekinetic_pulse by .mocho (discord), pyrokinetic_flare, summon_remilia, summon_bat and summon_imp by ghost581 (discord)",
   "size": {
     "x": 64,
     "y": 64
   },
   "states": [
+    {
+      "name": "assay"
+    },
     {
       "name": "healing_word"
     },