Dark Athel vs Avir the Alchemage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Dark Athel	Undead Hordes	Magic	Attack	Epic	Attack 20% Place: All battles
Avir the Alchemage	Dwarves	Magic	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Dark Athel	60	6	13710	1465	925	100	15	57	30	0
Avir the Alchemage	60	6	16680 +2970	881 -584	1035 +110	102 +2	15	50 -7	30	10 +10

Dark Athel	Profane Glaive Formula: 1.6*ATK Attacks 1 enemy 2 times. Has a 40% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Blades of Blood Formula: 3.6*ATK Attacks all enemies. Has a 50% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Cooldown: 5 Decrease SPD 30%	Harvest of Despair Formula: 3.65ATK Formula: 0.5TRG_HP Attacks all enemies. Places a 30% [Increase SPD] buff on this Champion for 3 turns if this attack kills 4 or more enemies. Heals this Champion by 50% of their MAX HP if this attack kills 6 or more enemies. Grants an Extra Turn if this attack kills 10 or more enemies. Cooldown: 5 Increase SPD 30%
Avir the Alchemage	Flask of Vitreol Formula: 4.7*ATK Attacks 1 enemy. Has a 30% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Corroding Catalyst Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Also places a 15% [Decrease SPD] debuff for 1 turn on targets under [Poison] debuffs. Cooldown: 4 Decrease ATK 25% Decrease SPD 15%	Vitalizing Potions Formula: 0.15MAX_STAMINA Formula: 0.15HP Fills the Turn Meters of all allies by 15% and heals all allies by 15% of this Champion’s MAX HP. Cooldown: 6