Bone Knight vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Bone Knight	Undead Hordes	Spirit	Attack	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Bone Knight	60	6	14370	1090	980	93	15	57	30	0
Gravechill Killer	60	6	13545 -825	1233 +143	892 -88	96 +3	15	50 -7	30	10 +10

Bone Knight	Mutilate Formula: 1.8*ATK Attacks 1 enemy 2 times. Has a 15% chance of placing a 15% [Weaken] debuff for 2 turns. Weaken 15%	Ancient Seal Formula: 7*ATK Attacks 1 enemy. Has an 80% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 3 Heal Reduction 100%	Death's Vigor Formula: 4.2*ATK Attacks all enemies. Places a 15% [Increase C. RATE] buff on all allies for 2 turns. Cooldown: 4 Increase C. RATE 15%
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%