Ursala the Mourner vs Bystophus

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Ursala the Mourner	Banner Lords	Void	Support	Epic	Speed 24% Place: Doom tower
Bystophus	Knight Revenant	Force	Attack	Legendary	Accuracy 70 Place: All battles

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Ursala the Mourner	60	6	18000	1167	936	102	15	50	30	15
Bystophus	60	6	14700 -3300	1795 +628	804 -132	100 -2	15	63 +13	30	10 -5

Ursala the Mourner	Lance of Penitence Formula: 3.4ATK Formula: 0.1MAX_STAMINA Attacks 1 enemy. Has a 40% chance of decreasing the target's Turn Meter by 10%.	Waves of Grief Formula: 3.2*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Also places a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 4 Increase ATK 50% Decrease ATK 50%	Requiem Formula: 0.75TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 75% HP, then fills their Turn Meters by 50%. Also places a 60% [Increase DEF] buff and a 25% [Strengthen] buff on all allies for 3 turns. Cooldown: 6 Strengthen Increase DEF 60%
Bystophus	Horror Formula: 3.3*ATK Attacks 1 enemy. Has a 50% chance of placing a [Block Active Skills] debuff for 1 turn. Has a 35% chance of placing a [True Fear] debuff for 1 turn on targets under [Block Active Skills] debuffs. Block Cooldown Skills True Fear	Shadow Strike Formula: 3.2ATK Formula: DEALT_DMG0.2 Attacks all enemies. Inflicts a critical hit against targets under [Block Active Skills] debuffs. Heals by 20% of the damage inflicted. Cooldown: 4	Crumble Formula: 3.2*ATK Attacks all enemies. Has a 75% chance of placing a [Block Active Skills] debuff for 2 turns. Also has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Block Cooldown Skills Decrease DEF 60%