Add in a check to make sure we're getting the next level blocks only.

src/gql/types/elements/Block.php

@@ -63,7 +63,13 @@ protected function resolve($source, $arguments, $context, ResolveInfo $resolveIn
 				$children = $source->getDescendants()->level($sourceLevel)->all();
 
 				if(count($children) and is_array($children)) {
-					$newBlocks = $children;
+
+					foreach ($children as $block) {
+						if ((int)$block->level === $sourceLevel) {
+							$newBlocks[] = $block;
+						}
+					}
+					// $newBlocks = $children;
 				}
 			}