Flesheater vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Flesheater	Ogryn Tribes	Spirit	Support	Rare	HP 22% Place: Crypts
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Flesheater	60	6	14535	1024	1035	94	15	50	30	10
Gravechill Killer	60	6	13545 -990	1233 +209	892 -143	96 +2	15	50	30	10

Flesheater	Freeze the Blood Formula: 3.8*ATK Attacks 1 enemy. Has a 20% chance of placing a [Freeze] debuff on the target for 1 turn. Freeze	Tenderize Formula: 2.5ATK Formula: 0.15TRG_STAMINA Attacks 1 enemy 2 times. On each critical hit decreases the target's Turn Meter by 15%. Cooldown: 4	Gruesome Nourishment Places a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 5 Increase ATK 50%
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%