Fixed Sightless Mind damage ratio on renewal

src/map/battle.cpp

@@ -3821,10 +3821,7 @@ static int battle_calc_attack_skill_ratio(struct Damage* wd, struct block_list *
 			break;
 		case RG_RAID:
 #ifdef RENEWAL
-			if (status_get_class_(target) == CLASS_BOSS)
-				skillratio += 10 * skill_lv; // !TODO: Did this change as well?
-			else
-				skillratio += 50 + skill_lv * 150;
+			skillratio += -100 + 50 + skill_lv * 150;
 #else
 			skillratio += 40 * skill_lv;
 #endif