Avenger vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Avenger	High Elves	Magic	Attack	Rare	Attack 17% Place: Crypts
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Avenger	60	6	12225	1398	815	104	15	57	30	0
Gravechill Killer	60	6	13545 +1320	1233 -165	892 +77	96 -8	15	50 -7	30	10 +10

Avenger	Hunt Formula: 2.55*ATK Attacks 1 enemy. Has a 30% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Decrease DEF 30%	Lethal Vortex Formula: 2.4*ATK Attacks at random 2 times. Has an extra 15% chance of inflicting a critical hit. Cooldown: 3	Fatal Blow Formula: 5.2*ATK Attacks 1 enemy. This Skill always inflicts a critical hit. Cooldown: 5
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%