Mighty Ukko vs Ruella

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mighty Ukko	Skinwalkers	Force	Support	Legendary	Speed 20% Place: All battles
Ruella	Sylvan Watchers	Spirit	Attack	Epic	Accuracy 40 Place: Dungeons

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mighty Ukko	60	6	18495	1233	1112	109	15	50	30	10
Ruella	60	6	15855 -2640	1376 +143	870 -242	112 +3	15	50	30	0 -10

Skills comparison

Mighty Ukko	Ukko Smash Formula: 2.5*ATK Attacks all enemies. Has a 50% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Reflect Damage 15% Decrease ATK 50%	Ukko's Fury Formula: 2ATK Formula: 2ATK Attacks all enemies 2 times. Each hit has a 75% chance to remove 2 random buffs from the target. Places a [Block Buffs] debuff and a 50% [Decrease ACC] debuff for 2 turns on targets that have no buffs after the attack. Cooldown: 4 Block Buffs Decrease ACC 50%	Ukko's Mercy Formula: 0.4*TRG_HP Revives all dead allies with 40% HP, then places a [Block Damage] buff on them for 1 turn. Also places a 30% [Increase SPD] buff on all allies for 2 turns. Will place the [Increase SPD] buff even if there are no dead allies. Cooldown: 6 Block Damage Leech Provoke Increase SPD 30%	Totem Warden [P] Has a 50% chance of stealing 1 random buff from a random enemy each time a buff is placed on the enemy team. Will only attempt to steal one buff for each type of buff placed simultaneously (for example, only one random buff may be stolen if 3 [Shield] buffs are placed at the same time). Any stolen buffs become protected. Decrease ATK 25% Decrease ACC 50%
Ruella	Harassment Volley Formula: 1.5ATK Formula: 0.05MAX_STAMINA Formula: -CHANGED_STAMINA_AMOUNT Attacks 1 enemy 3 times. Each critical hit has an 80% chance of stealing 5% of the target’s Turn Meter.	No Respite Formula: 2.3*ATK Attacks 1 enemy 3 times. Each hit has a 50% chance of placing a 60% [Decrease DEF] debuff, a 25% [Weaken] debuff and a 30% [Decrease SPD] debuff for 2 turns. Cooldown: 4 Weaken 25% Decrease SPD 30% Decrease DEF 60%	Timed Offensive Formula: 0.2*MAX_STAMINA Fills the Turn Meters of all allies by 20% and places a 30% [Increase C. RATE] buff on all allies for 2 turns. Cooldown: 6 Increase C. RATE 30%	-