Penitent vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Penitent	The Sacred Order	Spirit	Defence	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Penitent	60	6	14865	793	1244	93	15	50	40	0
Gravechill Killer	60	6	13545 -1320	1233 +440	892 -352	96 +3	15	50	30 -10	10 +10

Penitent	Sword of Faith Formula: 4.7*ATK Attacks 1 enemy 2 times. Has a 30% chance of placing a 25% [Decrease ATK] debuff for 1 turn. Decrease ATK 25%	Counter Formula: 8*ATK Attacks 1 enemy. Places a [Counterattack] buff on this Champion for 1 turn. Cooldown: 3 Counterattack	Unshakable Faith Removes all debuffs from this Champion. Places a [Block Debuffs] buff on this Champion for 3 turns. Cooldown: 5 Block Debuffs
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%