Rockbeast vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rockbeast	Ogryn Tribes	Void	HP	Rare	Crit rate 16% Place: Arena
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rockbeast	60	6	19485	892	837	95	15	50	30	10
Gravechill Killer	60	6	13545 -5940	1233 +341	892 +55	96 +1	15	50	30	10

Rockbeast	Club Formula: 1.5ATK+0.15HP Attacks 1 enemy. Has a 50% chance of placing a [Provoke] debuff for 1 turn. Damage increases according to this Champion's MAX HP. Provoke	Hunker Down Formula: 0.5*MAX_STAMINA Fills the Turn Meter by 50%. Places a 60% [Increase DEF] buff on this Champion for 3 turns. Cooldown: 4 Increase DEF 60%	Bellow Formula: 4.5*ATK Attacks all enemies. Has a 75% chance of placing a 30% [Decrease SPD] debuff for 1 turn. Cooldown: 6 Decrease SPD 30%
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%