Bystophus vs Yelagirna

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Bystophus	Knight Revenant	Force	Attack	Legendary	Accuracy 70 Place: All battles
Yelagirna	Orcs	Spirit	Attack	Epic	Attack 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Bystophus	60	6	14700	1795	804	100	15	63	30	10
Yelagirna	60	6	16515 +1815	1365 -430	837 +33	95 -5	15	50 -13	30	15 +5

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%	-
Yelagirna	Breath Taker Formula: 2.1*ATK Attacks 1 enemy 2 times. Places a 50% [Increase ATK] buff on this Champion for 2 turns if this attack kills an enemy. Increase ATK 50%	Mortify Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Cooldown: 4 Decrease ATK 50%	Sword of Loss Formula: 6.1*ATK Attacks 1 enemy. Has a 75% chance of placing a [Block Buffs] debuff and a [Block Active Skills] debuff for 2 turns. This attack is always critical. Cooldown: 4 Block Cooldown Skills Block Buffs	Great Cycle [P] Formula: 0.5*TRG_HP Revives 1 random ally with 50% HP every time this Champion kills an enemy. Cooldown: 2