Skullcrusher vs Avir the Alchemage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Skullcrusher	Ogryn Tribes	Force	Defence	Epic	Resist 45 Place: Crypts
Avir the Alchemage	Dwarves	Magic	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Skullcrusher	60	6	19320	826	1189	98	15	50	45	0
Avir the Alchemage	60	6	16680 -2640	881 +55	1035 -154	102 +4	15	50	30 -15	10 +10

Skullcrusher	Smash Formula: 3.7*DEF Attacks 1 enemy. Places a 50% [Heal Reduction] debuff if the target's DEF is lower than this Champion's. Heal Reduction 50%	Stonewall Places a 50% [Ally Protection] buff on all allies except this Champion for 2 turns. Places a [Counterattack] buff on all allies except this Champion for 2 turns. Places an [Unkillable] buff on this Champion for 1 turn. Cooldown: 4 Unkillable Counterattack Ally Protection 50%	Unshakeable [P] Decreases the duration of all debuffs on this Champion by 1 turn at the start of each turn.
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