diff --git a/db/re/skill_db.yml b/db/re/skill_db.yml
index 764fbe4531..f74da7a131 100644
--- a/db/re/skill_db.yml
+++ b/db/re/skill_db.yml
@@ -41389,6 +41389,10 @@ Body:
     SplashArea: 6
     Requires:
       SpCost: 1
+  - Id: 5433
+    Name: SH_MYSTICAL_CREATURE_MASTERY
+    Description: Mystical Creature Mastery
+    MaxLevel: 10
   - Id: 6001
     Name: DK_DRAGONIC_BREATH
     Description: Dragonic Breath
diff --git a/db/re/skill_tree.yml b/db/re/skill_tree.yml
index 911311f413..5e577ef972 100644
--- a/db/re/skill_tree.yml
+++ b/db/re/skill_tree.yml
@@ -7870,7 +7870,6 @@ Body:
     Tree:
       - Name: SH_MYSTICAL_CREATURE_MASTERY
         MaxLevel: 10
-        Requires:
       - Name: SH_CHUL_HO_SONIC_CLAW
         MaxLevel: 7
         Requires:
diff --git a/src/map/status.cpp b/src/map/status.cpp
index cda1b0853b..7b12bd1b3b 100644
--- a/src/map/status.cpp
+++ b/src/map/status.cpp
@@ -4371,6 +4371,11 @@ int status_calc_pc_sub(map_session_data* sd, uint8 opt)
 		base_status->smatk += skill * 2;
 	}
 
+	if ((skill = pc_checkskill(sd, SH_MYSTICAL_CREATURE_MASTERY)) > 0) {
+		base_status->smatk += 1 + (skill - 1) * 15 / 10 + ((skill - 1) * 15 % 10 ? 1 : 0);
+		base_status->patk += 1 + (skill - 1) * 15 / 10 + ((skill - 1) * 15 % 10 ? 1 : 0);
+	}
+
 // ----- PHYSICAL RESISTANCE CALCULATION -----
 	if ((skill = pc_checkskill_imperial_guard(sd, 1)) > 0)// IG_SHIELD_MASTERY
 		base_status->res += skill * 3;