Arbiter vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Arbiter	High Elves	Void	Support	Legendary	Speed 30% Place: Arena
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Arbiter	60	6	21135	1068	1101	110	15	50	30	10
Gravechill Killer	60	6	13545 -7590	1233 +165	892 -209	96 -14	15	50	30	10

Arbiter	Gaze of Justice Formula: 1.8*ATK Attacks 1 enemy 2 times. Each hit has a 30% chance of placing a 25% [Weaken] debuff for 2 turns. Weaken 25%	Enforced Humility Formula: 2.2*ATK Attacks all enemies 1 time. Has a 75% chance of decreasing the duration of all enemy buffs by 1 turn. Cooldown: 4	Mentor of Heroes Formula: 0.3MAX_STAMINA Formula: 0.25TRG_HP Places a 50% [Increase ATK] buff on all allies for 2 turns, then fills the Turn Meters of all allies by 30%. Heals all allies by 25% of their MAX HP if they have less than 50% HP. Cooldown: 4 Increase ATK 50%	Destiny's Call Formula: 0.3TRG_HP Formula: 0.2MAX_STAMINA Revives all dead allies to 30% HP, then fills the Turn Meters of all allies by 20%. Grants an Extra Turn to this Champion if an ally was successfully revived. Cooldown: 7
Gravechill Killer	Freezing Toxin Formula: 3.9*ATK Attacks 1 enemy. Has a 40% chance of placing a 5% [Poison] debuff for 1 turn. Poison 5%	Blood Chill Formula: 6.8*ATK Attacks 1 enemy. Has a 75% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Has a 75% chance of placing a 60% [Decrease DEF] debuff instead if the target is under a [Poison] debuff. Cooldown: 4 Decrease DEF 60% Decrease DEF 30%	Icy Veins Formula: 2.65*ATK Attacks 1 enemy 2 times.Each hit places a 2.5% [Poison] debuff for 2 turns. Places a 5% [Poison] debuff instead if the target is under a [Poison Sensitivity] debuff. Cooldown: 5 Poison 2.5% Poison 5%	-