Senna Amberheart vs Wysteri Vineguard

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles
Wysteri Vineguard	Sylvan Watchers	Void	Attack	Epic	Attack 25% 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
Wysteri Vineguard	60	6	16515 -2475	1310 +198	892 -308	99 -14	15	60 +10	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.
Wysteri Vineguard	Drainvine Arrows Formula: 2*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a 25% [Weaken] debuff on the target for 2 turns. Weaken 25%	Burrowbolt Formula: 5.5*ATK Attacks 1 enemy. Will ignore any [Increase DEF] and [Strengthen] buffs, as well as 20% of the target’s DEF. If this attack kills an enemy, increases the duration of all buffs on this Champion by 1 turn. Cooldown: 5	Ready, Aim... Places a 50% [Increase ATK] buff and a 30% [Increase C. DMG] buff on this Champion for 3 turns. Then grants an Extra Turn. Cooldown: 6 Increase ATK 50% Increase C. DMG	Deathleaf [P] Formula: 0.1B_ATKEnemyCountWithHealthLessOrEqual(0.5) Increases this Champion’s ATK by 10% for each enemy with 50% HP or less (stacks up to 50%).