Senna Amberheart vs Richtoff the Bold

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles
Richtoff the Bold	Banner Lords	Spirit	Attack	Legendary	Attack 27% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Senna Amberheart	60	6	18990	1112	1200	113	15	50	40	0
Richtoff the Bold	60	6	18825 -165	1398 +286	925 -275	95 -18	15	63 +13	30 -10	0

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.
Richtoff the Bold	Ruination Formula: 1.7ATK Formula: 0.3DEALT_DMG Attacks all enemies. Destroys each target's MAX HP by 30% of the damage inflicted.	Bloodletting Formula: 1.9*ATK Attacks 1 enemy 3 times. Each hit places a 5% [Poison] debuff on all enemies for 2 turns. Cooldown: 4 Poison 5%	Cursehold Formula: 6.2ATK Formula: 0.2DMG_MUL*EffectsAppliedOnRelationTargetCountOfKind(ContinuousDamage_KindId) Attacks 1 enemy. Critical damage increases by 20% for each Poison debuff on the target. Stacks up to 100%. Cooldown: 5	-