Pounder vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pounder	Ogryn Tribes	Magic	Defence	Rare	Attack 20% Place: All battles Element: Magic
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Pounder	60	6	14535	859	1200	95	15	50	30	10
Gravechill Killer	60	6	13545 -990	1233 +374	892 -308	96 +1	15	50	30	10

Pounder	Bonebreaker Formula: 3.8*DEF Attacks 1 enemy. Has a 25% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Decrease ATK 25%	Spreading Ice Formula: 6*DEF Attacks 1 enemy. Has a 75% chance of placing a [Freeze] debuff for 1 turn. If the target has a [Freeze] debuff, has a 25% chance of placing it on another enemy. Cooldown: 4 Freeze	Tower of Power [P] Formula: 15*BUFF_COUNT Increases the resistance of all allies by 15 for each active buff on this Champion.
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%