Gravechill Killer vs Thylessia

Overall comparison

HERO	Fraction	Element	Type	Rarity
Gravechill Killer	Undead Hordes	Magic	Attack	Rare
Thylessia	Knight Revenant	Force	Attack	Epic

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Gravechill Killer	60	6	13545	1233	892	96	15	50	30	10
Thylessia	60	6	12720 -825	1454 +221	1002 +110	97 +1	15	60 +10	30	0 -10

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%	-
Thylessia	Weft of Madness Formula: 3.5*ATK Attacks 1 enemy. Has a 50% chance of applying a [Debuff Spread] effect, taking 1 random debuff from the target and placing it on all enemies under [Hex] debuffs.	Shrieking Voices Formula: 3.7*ATK Attacks all enemies. Increases the duration of all debuffs on all enemies by 1 turn. Cooldown: 3	Melancholia Formula: 3.7*ATK Attacks all enemies. Places a 60% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Decrease DEF 60%	Feast of Woe [P] When attacking enemies under [Decrease DEF] debuffs, has a 50% chance of placing a [Hex] debuff on them for 2 turns. Hex