Tormentor vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Tormentor	Demonspawn	Magic	Attack	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Tormentor	60	6	13875	1156	947	96	15	57	30	0
Gravechill Killer	60	6	13545 -330	1233 +77	892 -55	96	15	50 -7	30	10 +10

Tormentor	Endless Agonies Formula: 3.7ATK Formula: 3.7ATK Attacks 1 enemy. Places an extra hit if this attack is critical. The extra hit is always a normal hit.	Infernal Miasma Formula: 3.3*ATK Attacks 2 times at random. Each hit has a 50% chance of placing a 25% [Decrease ACC] debuff. Cooldown: 4 Decrease ACC 25%	Creeping Doom Formula: 3.5*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a [Block Buffs] debuff for 2 turns. Places a [Stun] debuff for 1 turn if the target is under a [Block Buffs] debuff. Cooldown: 4 Block Buffs Stun
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%