Mighty Ukko vs Senna Amberheart

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mighty Ukko	Skinwalkers	Force	Support	Legendary	Speed 20% Place: All battles
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles

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
Senna Amberheart	60	6	18990 +495	1112 -121	1200 +88	113 +4	15	50	40 +10	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%
Senna Amberheart	Amberthrust Formula: 4.3*ATK Attacks 1 enemy. Has a 50% chance to instantly activate a [Continuous Heal] buff on each ally.	Touch of Gold Formula: 0.2*MAX_STAMINA Places a 30% [Increase SPD] buff and two 15% [Continuous Heal] buffs on all allies for 2 turns. Also fills the Turn Meters of all allies by 20%. Cooldown: 5 Continuous Heal 15% Increase SPD 30%	Edge of Death Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 50% HP and 50% Turn Meter. Then, teams up with all allies revived by this skill to attack the enemy with the lowest HP. The allies joining the attack will use their default skills. Cooldown: 6	Healing Glow [P] Formula: 0.05*MAX_STAMINA Whenever a [Continuous Heal] buff activates on any ally, fills the Turn Meters of all allies by 5%. At the end of this Champion’s turn, increases the duration of a [Continuous Heal] buff on a random ally except this Champion for 1 turn.