Spiritwalker vs Avir the Alchemage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Spiritwalker	Barbarians	Force	Support	Uncommon	-
Avir the Alchemage	Dwarves	Magic	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Spiritwalker	60	6	10740	1288	749	90	15	50	30	0
Avir the Alchemage	60	6	16680 +5940	881 -407	1035 +286	102 +12	15	50	30	10 +10

Spiritwalker	Cripple Formula: 1.4*ATK Attacks 1 enemy 2 times. Each hit has a 20% chance of placing a 25% [Decrease ATK] debuff on the target for 2 turns. Decrease ATK 25%	Battle Trance Removes all debuffs from this Champion. Places a 25% [Increase ATK] buff on all allies for 2 turns. Cooldown: 4 Increase ATK 25%	-
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