diff --git a/internal/character/herta/talent.go b/internal/character/herta/talent.go
index cf677f1a..d6245d89 100644
--- a/internal/character/herta/talent.go
+++ b/internal/character/herta/talent.go
@@ -35,8 +35,8 @@ func (c *char) talentListener(e event.HPChange) {
 	onCD, ok := passiveCooldowns[e.Target]
 
 	if e.NewHPRatio <= 0.5 {
-		// Check if enemy, is either not in the map (never seen before) or is in there and
-		if c.engine.IsEnemy(e.Target) && (!ok || !onCD) && !c.engine.HasBehaviorFlag(c.id, model.BehaviorFlag_STAT_CTRL) {
+		// Check if enemy, is either not in the map (never seen before) or is in there, the source is an ally and Herta is not under a status control effect
+		if c.engine.IsEnemy(e.Target) && (!ok || !onCD) && c.engine.IsCharacter(e.Source) && !c.engine.HasBehaviorFlag(c.id, model.BehaviorFlag_STAT_CTRL) {
 			if len(c.engine.Enemies()) > 0 {
 				c.engine.Events().AttackEnd.Subscribe(c.talentAfterAttackListener)
 				hertaCount += 1
diff --git a/internal/lightcone/destruction/theunreachableside/theunreachableside.go b/internal/lightcone/destruction/theunreachableside/theunreachableside.go
index 2008b9d3..476e0c5a 100644
--- a/internal/lightcone/destruction/theunreachableside/theunreachableside.go
+++ b/internal/lightcone/destruction/theunreachableside/theunreachableside.go
@@ -63,7 +63,7 @@ func buffOnAttacked(mod *modifier.Instance, e event.AttackEnd) {
 
 func buffOnHPConsume(mod *modifier.Instance, e event.HPChange) {
 	// bypass if: hpchangebydmg is true, hpchange source isn't lc holder, hpchange increase hp.
-	if e.IsHPChangeByDamage || e.Target != mod.Owner() || e.NewHP > e.OldHP {
+	if e.IsHPChangeByDamage || e.Source != mod.Owner() || e.NewHP > e.OldHP {
 		return
 	}
 	dmgAmt := mod.State().(float64)
diff --git a/pkg/engine/attribute/event.go b/pkg/engine/attribute/event.go
index 6b2135df..01f4e00a 100644
--- a/pkg/engine/attribute/event.go
+++ b/pkg/engine/attribute/event.go
@@ -19,6 +19,7 @@ func (s *Service) emitHPChangeEvents(
 	s.event.HPChange.Emit(event.HPChange{
 		Key:                key,
 		Target:             target,
+		Source:             source,
 		OldHPRatio:         oldRatio,
 		NewHPRatio:         newRatio,
 		OldHP:              maxHP * oldRatio,
diff --git a/pkg/engine/event/attribute.go b/pkg/engine/event/attribute.go
index 3e75dde0..c02c0939 100644
--- a/pkg/engine/event/attribute.go
+++ b/pkg/engine/event/attribute.go
@@ -9,6 +9,7 @@ type HPChangeEventHandler = handler.EventHandler[HPChange]
 type HPChange struct {
 	Key                key.Reason   `json:"key"`
 	Target             key.TargetID `json:"target"`
+	Source             key.TargetID `json:"source"`
 	OldHPRatio         float64      `json:"old_hp_ratio"`
 	NewHPRatio         float64      `json:"new_hp_ratio"`
 	OldHP              float64      `json:"old_hp"`
diff --git a/ui/packages/types/src/event.ts b/ui/packages/types/src/event.ts
index b74a7108..20d53ef7 100755
--- a/ui/packages/types/src/event.ts
+++ b/ui/packages/types/src/event.ts
@@ -13,6 +13,7 @@ export type HPChangeEventHandler = Handler<HPChange>;
 export interface HPChange {
   key: string;
   target: string;
+  source: string;
   old_hp_ratio: number /* float64 */;
   new_hp_ratio: number /* float64 */;
   old_hp: number /* float64 */;