Shadowbow Tirlac vs Avir the Alchemage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Shadowbow Tirlac	Sylvan Watchers	Spirit	Defence	Rare	-
Avir the Alchemage	Dwarves	Magic	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Shadowbow Tirlac	60	6	15030	793	1233	95	15	50	40	0
Avir the Alchemage	60	6	16680 +1650	881 +88	1035 -198	102 +7	15	50	30 -10	10 +10

Shadowbow Tirlac	Shadowbow Formula: 3.4*DEF Attacks 1 enemy. Has a 40% chance of placing a 25% [Decrease ATK] debuff for 1 turn. Decrease ATK 25%	Swift Warband Formula: 3.6*DEF Attacks all enemies. Places a 15% [Increase SPD] buff on all allies for 2 turns. Cooldown: 5 Increase SPD 15%	Diversion Places a [Veil] buff on all allies except this Champion for 1 turn. Also places a [Shield] buff on all allies for 2 turns equal to 20% of this Champion's MAX HP. Cooldown: 6 Shield Veil	Camo Cover [P] Formula: -0.05*DMG_MUL Decreases the damage received from skills by all allies under [Veil] or [Perfect Veil] buffs by 5%.
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	-