Senna Amberheart vs Archmage Hellmut

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles
Archmage Hellmut	Banner Lords	Magic	Support	Epic	Speed 17% Place: Arena

Stats comparison

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
Archmage Hellmut	60	6	18825 -165	925 -187	1123 -77	108 -5	15	50	30 -10	0

Skills comparison

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.
Archmage Hellmut	Arcane Dynamo Formula: 4.8ATK Formula: 0.1MAX_STAMINA Formula: 0.2*MAX_STAMINA Attacks 1 enemy. Fills this Champion's Turn Meter by 10%. Fills the Turn Meter by 20% if this attack is critical.	Timeslip Formula: 6ATK Formula: 3.5ATK Formula: 0.2*MAX_STAMINA Attacks 1 enemy. Also attacks all other enemies if the first attack is critical. The second hit has a 50% chance of placing a [Stun] debuff for 1 turn. After attacking, decreases the Turn Meters of each enemy without a [Stun] debuff by 20%. Cooldown: 4 Stun	Psychic Guidance Places a 30% [Increase SPD] buff, a 30% [Increase C. RATE] buff, and a 30% [Increase C. DMG] buff on all allies for 2 turns. Cooldown: 5 Increase C. DMG Increase SPD 30% Increase C. RATE 30%	Chrono Isolation [P] Immune to Turn Meter reduction effects from enemies.