Gnarlhorn vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Gnarlhorn	Skinwalkers	Spirit	HP	Rare	Defence 27% Place: Dungeons
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Gnarlhorn	60	6	17010	958	936	96	15	50	45	0
Gravechill Killer	60	6	13545 -3465	1233 +275	892 -44	96	15	50	30 -15	10 +10

Gnarlhorn	Ram Formula: ATK(2.5+3(1-HP_PERC)) Attacks 1 enemy. Damage increases according to how much HP this Champion has lost. This attack cannot be a strong, critical, or weak hit.	War Drum Places a [Provoke] debuff on all enemies for 1 turn. Places a 30% [Increase DEF] buff on this Champion for 2 turns. Cooldown: 4 Provoke Increase DEF 30%	Determined Places an [Unkillable] buff on this Champion for 2 turns. Cooldown: 5 Unkillable
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%