Martyr vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Martyr	The Sacred Order	Spirit	Defence	Legendary	Defence 33% Place: All battles
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Martyr	60	6	20145	826	1409	93	15	50	50	10
Gravechill Killer	60	6	13545 -6600	1233 +407	892 -517	96 +3	15	50	30 -20	10

Martyr	Rush Formula: 3.4*DEF Attacks 1 enemy. Has a 45% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Bastion of Faith Places a 60% [Increase DEF] buff and a [Counterattack] buff on all allies for 2 turns. Cooldown: 4 Counterattack Increase DEF 60%	Suppression Formula: 4*DEF Attacks all enemies. Places a 50% [Decrease ATK] debuff for 2 turns. Places a [Provoke] debuff for 1 turn. Cooldown: 6 Provoke Decrease 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%