Suiren vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Suiren	Shadowkin	Force	Attack	Epic	Accuracy 60 Place: Dungeons
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Suiren	60	6	14370	1310	1035	99	15	50	30	15
Gravechill Killer	60	6	13545 -825	1233 -77	892 -143	96 -3	15	50	30	10 -5

Suiren	Lotus Kiss Formula: 2.2*ATK Attacks 1 enemy 2 times. Each hit has a 40% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Downsize Formula: 3.1*ATK Attacks 1 enemy 2 times. Each hit has a 60% chance of placing a 25% [Weaken] debuff for 2 turns. Cooldown: 3 Weaken 25%	Confusion Reigns Formula: 4*ATK Attacks all enemies. Has a 60% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Decrease DEF 60%
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%