Harvester vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Harvester	Dark Elves	Void	Attack	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Harvester	60	6	13710	1156	958	100	15	57	30	0
Gravechill Killer	60	6	13545 -165	1233 +77	892 -66	96 -4	15	50 -7	30	10 +10

Harvester	Destabilize Formula: 1.9*ATK Attacks 1 enemy 2 times. Has a 35% chance of placing a 15% [Weaken] debuff for 2 turns. Weaken 15%	Accursed Scythe Formula: 6.5*ATK Attacks 1 enemy. Has an 80% chance of placing a [Block Buffs] debuff for 2 turns. Cooldown: 3 Block Buffs	Temporal Burst Formula: 7.5*ATK Attacks 1 enemy. Has a 90% chance of increasing the cooldown of one of the target’s Skills by 2 turns at random. Cooldown: 5
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%