Implemented NPC_LEASH (#7642)

src/map/skill.cpp

@@ -12673,6 +12673,16 @@ int skill_castend_nodamage_id (struct block_list *src, struct block_list *bl, ui
 		break;
 #endif
 
+	case NPC_LEASH:
+		clif_skill_nodamage( src, bl, skill_id, skill_lv, 1 );
+
+		if( !skill_check_unit_movepos( 0, bl, src->x, src->y, 1, 1 ) ){
+			return 0;
+		}
+
+		clif_blown( bl );
+		break;
+
 	default: {
 		std::shared_ptr<s_skill_db> skill = skill_db.find(skill_id);
 		ShowWarning("skill_castend_nodamage_id: missing code case for skill %s(%d)\n", skill ? skill->name : "UNKNOWN", skill_id);