Shieldguard vs Avir the Alchemage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Shieldguard	Barbarians	Spirit	Defence	Uncommon	-
Avir the Alchemage	Dwarves	Magic	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Shieldguard	60	6	15360	705	1024	89	15	50	30	0
Avir the Alchemage	60	6	16680 +1320	881 +176	1035 +11	102 +13	15	50	30	10 +10

Shieldguard	Uppercut Formula: 4*DEF Attacks 1 enemy. Has a 30% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Damage inflicted is proportional to DEF. Decrease SPD 15%	Battle Stance Formula: 3.4DEF Formula: 0.2MAX_STAMINA Attacks all enemies. Fills this Champion's Turn Meter by 20% on each critical hit. Damage inflicted is proportional to DEF. Cooldown: 4	Mighty Soul [P] Removes one debuff from this Champion each turn. Cooldown: 1
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