Oathbound vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Oathbound	Banner Lords	Force	Defence	Epic	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Oathbound	60	6	18330	782	1299	95	15	50	40	0
Gravechill Killer	60	6	13545 -4785	1233 +451	892 -407	96 +1	15	50	30 -10	10 +10

Oathbound	Shatter Formula: 1.5ATK+2.7DEF Attacks 1 enemy. Has a 20% chance of placing a [Freeze] debuff for 1 turn. Damage inflicted is proportional to DEF. Freeze	Subjugate Formula: 4DEF Formula: 0.2MAX_STAMINA Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff on all enemies for 2 turns. Also has a 55% chance of decreasing each target's Turn Meter by 20%. Cooldown: 3 Decrease ATK 50%	Intimidate Formula: 1.65*DEF Attacks at random 4 times. Each attack has a 30% chance of placing a [Block Active Skills] debuff for 2 turns. The chance of the [Block Active Skills] debuff increases to 100% if the target is under a [Decrease ATK] debuff. Cooldown: 5 Block Cooldown Skills
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%