diff --git a/src/data/battler-tags.ts b/src/data/battler-tags.ts
index 32b3d54f302..56f6b804b30 100644
--- a/src/data/battler-tags.ts
+++ b/src/data/battler-tags.ts
@@ -2178,6 +2178,33 @@ export class ExposedTag extends BattlerTag {
   }
 }
 
+/**
+ * Describes the behavior of a Heal Block Tag.
+ */
+export class HealBlockTag extends BattlerTag {
+  constructor() {
+    super(BattlerTagType.HEAL_BLOCK, BattlerTagLapseType.TURN_END, 5, Moves.HEAL_BLOCK);
+  }
+
+  onAdd(pokemon: Pokemon): void {
+    super.onAdd(pokemon);
+  }
+
+  lapse(pokemon: Pokemon, lapseType: BattlerTagLapseType): boolean {
+    return super.lapse(pokemon, lapseType);
+  }
+
+  onActivation(pokemon: Pokemon): string {
+    return i18next.t("battle:battlerTagsHealBlock", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) });
+  }
+
+  onRemove(pokemon: Pokemon): void {
+    super.onRemove(pokemon);
+
+    pokemon.scene.queueMessage(i18next.t("battle:battlerTagsHealBlockOnRemove", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) }), null, false, null);
+  }
+}
+
 /**
  * Tag that doubles the type effectiveness of Fire-type moves.
  * @extends BattlerTag
@@ -2490,6 +2517,8 @@ export function getBattlerTag(tagType: BattlerTagType, turnCount: number, source
     return new SubstituteTag(sourceMove, sourceId);
   case BattlerTagType.MYSTERY_ENCOUNTER_POST_SUMMON:
     return new MysteryEncounterPostSummonTag();
+  case BattlerTagType.HEAL_BLOCK:
+    return new HealBlockTag();
   case BattlerTagType.NONE:
   default:
     return new BattlerTag(tagType, BattlerTagLapseType.CUSTOM, turnCount, sourceMove, sourceId);
diff --git a/src/data/move.ts b/src/data/move.ts
index 10c98e0a7f7..19ba8afc8c7 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -7808,8 +7808,8 @@ export function initMoves() {
       .makesContact()
       .attr(LessPPMorePowerAttr),
     new StatusMove(Moves.HEAL_BLOCK, Type.PSYCHIC, 100, 15, -1, 0, 4)
-      .target(MoveTarget.ALL_NEAR_ENEMIES)
-      .unimplemented(),
+      .attr(AddBattlerTagAttr, BattlerTagType.HEAL_BLOCK, false, false, 5)
+      .target(MoveTarget.ALL_NEAR_ENEMIES),
     new AttackMove(Moves.WRING_OUT, Type.NORMAL, MoveCategory.SPECIAL, -1, 100, 5, -1, 0, 4)
       .attr(OpponentHighHpPowerAttr, 120)
       .makesContact(),
diff --git a/src/enums/battler-tag-type.ts b/src/enums/battler-tag-type.ts
index f367b1b56c0..6cf2d260dcb 100644
--- a/src/enums/battler-tag-type.ts
+++ b/src/enums/battler-tag-type.ts
@@ -80,4 +80,5 @@ export enum BattlerTagType {
   BURNED_UP = "BURNED_UP",
   DOUBLE_SHOCKED = "DOUBLE_SHOCKED",
   MYSTERY_ENCOUNTER_POST_SUMMON = "MYSTERY_ENCOUNTER_POST_SUMMON",
+  HEAL_BLOCK = "HEAL_BLOCK",
 }