Senna Amberheart vs Nekmo Thaar

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles
Nekmo Thaar	Lizardmen	Spirit	Support	Legendary	Speed 19% Place: All battles

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
Nekmo Thaar	60	6	17340 -1650	1233 +121	1189 -11	104 -9	15	50	30 -10	30 +30

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.
Nekmo Thaar	Steelmelt Acid Formula: 1.8*ATK Attacks all enemies. Has a 40% chance of placing a 50% [Decrease ATK] debuff for 2 turns. The chance increases to 75% against targets under debuffs. Decrease ATK 50%	Planar Chains Formula: 3.1*ATK Attacks all enemies. Has a 75% chance of placing a 30% [Decrease SPD] debuff and a [Leech] debuff for 2 turns. Cooldown: 4 Leech Decrease SPD 30%	Speed Weirding Formula: 0.3*MAX_STAMINA Places a 30% [Increase SPD] buff on all allies for 2 turns and fills their Turn Meters by 30%, then grants this Champion an Extra Turn. Cooldown: 6 Increase SPD 30%	Rune of Haste [P] Formula: 0.05*MAX_STAMINA Fills this Champion's Turn Meter by 5% each time a debuff on an enemy is removed, transferred, or expires.