Thylessia vs Herald

Overall comparison

HERO	Fraction	Element	Type	Rarity
Thylessia	Knight Revenant	Force	Attack	Epic
Herald	Knight Revenant	Spirit	Support	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
Herald	60	6	16845 +4125	782 -672	848 -154	99 +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
Herald	Doombolt Formula: 3.3*ATK Attacks 1 enemy. Has a 15% chance of placing a 15% [Decrease SPD] debuff for 1 turn. Decrease SPD 15%	Unholy Grace Places a 30% [Increase C. RATE] buff on all allies for 2 turns. Cooldown: 4 Increase C. RATE 30%	-	-