Wyvernbane vs Yelagirna

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Wyvernbane	Orcs	Spirit	Attack	Rare	-
Yelagirna	Orcs	Spirit	Attack	Epic	Attack 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Wyvernbane	60	6	12555	1288	903	94	15	57	30	0
Yelagirna	60	6	16515 +3960	1365 +77	837 -66	95 +1	15	50 -7	30	15 +15

Wyvernbane	Hobble Pierce Formula: 3.2*ATK Attacks 1 enemy. Has a 20% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Decrease SPD 15%	Setback Formula: 5.9ATK Formula: 0.2MAX_STAMINA Attacks 1 enemy. Has a 35% chance of decreasing the target's Turn Meter by 20%. Cooldown: 4	Cursefire Spear Formula: 6.1*ATK Attacks 1 enemy. Has a 75% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 5 HP Burn	-
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