Thylessia vs Tunnel Steward

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Thylessia	Knight Revenant	Force	Attack	Epic	-
Tunnel Steward	Dwarves	Spirit	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Thylessia	60	6	12720	1454	1002	97	15	60	30	0
Tunnel Steward	60	6	8925 -3795	1255 -199	903 -99	95 -2	15	50 -10	30	0

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
Tunnel Steward	Vermin Killer Formula: 3.2*ATK Attacks 1 enemy. Has a 25% chance of placing a 2.5% [Poison] debuff for 2 turns. Poison 2.5%	Intensify Formula: 5.5*ATK Attacks 1 enemy. Has a 50% chance of increasing the duration of 2 random debuffs on the target by 1 turn. Cooldown: 4	-	-