From 921509099835f034e0efcb87a7049ebec98d5425 Mon Sep 17 00:00:00 2001
From: Playtester <3785983+Playtester@users.noreply.github.com>
Date: Fri, 13 Mar 2026 23:07:17 +0100
Subject: [PATCH] NPC_MENTALBREAKER SP Drain, Element and Hitrate (#9919)

- NPC_MENTALBREAKER will now drain 12%/16%/25%/50%/100% of MaxSP based on level
- NPC_MENTALBREAKER now deals ghost element HP damage
- NPC_MENTALBREAKER can now miss, but has a 20% hit rate bonus
- Fixes #9916
---
 db/pre-re/skill_db.yml                   |  4 +--
 db/re/skill_db.yml                       |  4 +--
 src/map/skills/npc/spiritdestruction.cpp | 35 ++++++++++++++++++------
 src/map/skills/npc/spiritdestruction.hpp |  1 +
 4 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/db/pre-re/skill_db.yml b/db/pre-re/skill_db.yml
index c922361101a..51956282aa8 100644
--- a/db/pre-re/skill_db.yml
+++ b/db/pre-re/skill_db.yml
@@ -5343,14 +5343,12 @@ Body:
     MaxLevel: 5
     Type: Weapon
     TargetType: Attack
-    DamageFlags:
-      IgnoreFlee: true
     Flags:
       IsNpc: true
     Range: -7
     Hit: Single
     HitCount: 1
-    Element: Weapon
+    Element: Ghost
   - Id: 160
     Name: NPC_RANGEATTACK
     Description: Stand off attack
diff --git a/db/re/skill_db.yml b/db/re/skill_db.yml
index 232aa1a2f4e..d37eaed14aa 100644
--- a/db/re/skill_db.yml
+++ b/db/re/skill_db.yml
@@ -5431,14 +5431,12 @@ Body:
     MaxLevel: 5
     Type: Weapon
     TargetType: Attack
-    DamageFlags:
-      IgnoreFlee: true
     Flags:
       IsNpc: true
     Range: -7
     Hit: Single
     HitCount: 1
-    Element: Weapon
+    Element: Ghost
   - Id: 160
     Name: NPC_RANGEATTACK
     Description: Stand off attack
diff --git a/src/map/skills/npc/spiritdestruction.cpp b/src/map/skills/npc/spiritdestruction.cpp
index 354ddfaff6a..a5e8e62c05a 100644
--- a/src/map/skills/npc/spiritdestruction.cpp
+++ b/src/map/skills/npc/spiritdestruction.cpp
@@ -11,13 +11,32 @@ SkillSpiritDestruction::SkillSpiritDestruction() : WeaponSkillImpl(NPC_MENTALBRE
 }
 
 void SkillSpiritDestruction::applyAdditionalEffects(block_list *src, block_list *target, uint16 skill_lv, t_tick tick, int32 attack_type, enum damage_lv dmg_lv) const {
-	status_data* sstatus = status_get_status_data(*src);
+	//SP Damage 12%/16%/25%/50%/100% of MaxSP
+	int32 rate;
+	switch (skill_lv) {
+		case 1:
+			rate = 12;
+			break;
+		case 2:
+			rate = 16;
+			break;
+		case 3:
+			rate = 25;
+			break;
+		case 4:
+			rate = 50;
+			break;
+		case 5:
+			rate = 100;
+			break;
+		default:
+			// For easy customization
+			rate = skill_lv;
+			break;
+	}
+	status_percent_damage(src, target, 0, -rate, false);
+}
 
-	//Based on observations by Tharis, Mental Breaker should do SP damage
-	//equal to Matk*skLevel.
-	int32 rate = sstatus->matk_min;
-	if (rate < sstatus->matk_max)
-		rate += rnd()%(sstatus->matk_max - sstatus->matk_min);
-	rate*=skill_lv;
-	status_zap(target, 0, rate);
+void SkillSpiritDestruction::modifyHitRate(int16& hit_rate, const block_list* src, const block_list* target, uint16 skill_lv) const {
+	hit_rate += hit_rate * 20 / 100;
 }
diff --git a/src/map/skills/npc/spiritdestruction.hpp b/src/map/skills/npc/spiritdestruction.hpp
index 6c74de9ef94..70c26d1f12f 100644
--- a/src/map/skills/npc/spiritdestruction.hpp
+++ b/src/map/skills/npc/spiritdestruction.hpp
@@ -10,4 +10,5 @@ class SkillSpiritDestruction : public WeaponSkillImpl {
 	SkillSpiritDestruction();
 
 	void applyAdditionalEffects(block_list* src, block_list* target, uint16 skill_lv, t_tick tick, int32 attack_type, enum damage_lv dmg_lv) const override;
+	void modifyHitRate(int16& hit_rate, const block_list* src, const block_list* target, uint16 skill_lv) const override;
 };