Rebalance of MO_FINGEROFFENSIVE (Throw Spirit Sphere)

- Damage formula changed
  - Old: (Spirit Spheres x 350)%
  - New: [600 + (Skill Level x 200)]%
- Casting time changed
  - Old: (Spirit Spheres + 1) seconds
  - New: 0.5 seconds fixed casting time + 0.5 seconds variable casting
    time
- 1 second cooldown added
- SP cost increased
  - Old: 10 at all skill levels
  - New: 8 + (Skill Level x 4)
- Spirit sphere usage changed
  - Old: (Skill Level) sphere
  - New: 1 sphere at all skill levels
- Skill will deal 50% more damage on target caught with Root
- The damage is delivered as a bundle of 5 hits (TotalDMG/5)

From massive skills rebalance (1st/2nd/transclass) (2018.10.31)

db/re/skill_db.conf

@@ -8084,18 +8084,7 @@ skill_db: (
 	}
 	AttackType: "Weapon"
 	Element: "Ele_Weapon"
-	NumberOfHits: {
-		Lv1: 1
-		Lv2: 2
-		Lv3: 3
-		Lv4: 4
-		Lv5: 5
-		Lv6: 6
-		Lv7: 7
-		Lv8: 8
-		Lv9: 9
-		Lv10: 10
-	}
+	NumberOfHits: -5
 	CastTime: 500
 	AfterCastActDelay: 500
 	AfterCastWalkDelay: {
@@ -8110,21 +8099,22 @@ skill_db: (
 		Lv9: 1600
 		Lv10: 1800
 	}
+	CoolDown: 1_000
 	FixedCastTime: 500
 	Requirements: {
-		SPCost: 10
-		SpiritSphereCost: {
-			Lv1: 1
-			Lv2: 2
-			Lv3: 3
-			Lv4: 4
-			Lv5: 5
-			Lv6: 6
-			Lv7: 7
-			Lv8: 8
-			Lv9: 9
-			Lv10: 10
+		SPCost: {
+			Lv1: 12
+			Lv2: 16
+			Lv3: 20
+			Lv4: 24
+			Lv5: 28
+			Lv6: 32
+			Lv7: 36
+			Lv8: 40
+			Lv9: 44
+			Lv10: 48
 		}
+		SpiritSphereCost: 1
 	}
 },
 {

src/map/battle.c

@@ -2252,8 +2252,20 @@ static int battle_calc_skillratio(int attack_type, struct block_list *src, struc
 					skillratio += 40 * skill_lv;
 #endif
 					break;
-				case MO_FINGEROFFENSIVE:
-					skillratio+= 50 * skill_lv;
+				case MO_FINGEROFFENSIVE: {
+#ifndef RENEWAL
+					skillratio += 50 * skill_lv;
+#else
+					int ratio = 600 + 200 * skill_lv;
+
+					// Cast and Target must be locked in BladeStop.
+					// In other words: A third player won't do extra damage from hitting another Monk's blade stop
+					if (tsc != NULL && tsc->data[SC_BLADESTOP] != NULL && sc->data[SC_BLADESTOP] != NULL)
+						ratio += ratio * 50 / 100;
+
+					skillratio += - 100 + ratio;
+#endif
+				}
 					break;
 				case MO_INVESTIGATE: {
 #ifndef RENEWAL
@@ -4792,6 +4804,7 @@ static struct Damage battle_calc_weapon_attack(struct block_list *src, struct bl
 	if(skill_id) {
 		wd.flag |= battle->range_type(src, target, skill_id, skill_lv);
 		switch(skill_id) {
+#ifndef RENEWAL
 			case MO_FINGEROFFENSIVE:
 				if(sd) {
 					if (battle_config.finger_offensive_type)
@@ -4800,6 +4813,7 @@ static struct Damage battle_calc_weapon_attack(struct block_list *src, struct bl
 						wd.div_ = sd->spiritball_old;
 				}
 				break;
+#endif
 			case HT_PHANTASMIC:
 				//Since these do not consume ammo, they need to be explicitly set as arrow attacks.
 				flag.arrow = 1;

src/map/unit.c

@@ -1656,10 +1656,12 @@ static int unit_skilluse_id2(struct block_list *src, int target_id, uint16 skill
 		} else if (!status->isdead(target))
 			return 0; //Can't cast on non-dead characters.
 	break;
+#ifndef RENEWAL
 	case MO_FINGEROFFENSIVE:
 		if(sd)
 			casttime += casttime * min(skill_lv, sd->spiritball);
 	break;
+#endif
 	case MO_EXTREMITYFIST:
 		if (sc && sc->data[SC_COMBOATTACK] &&
 		   (sc->data[SC_COMBOATTACK]->val1 == MO_COMBOFINISH ||