Vasal of the Seal vs Venomage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles
Venomage	Lizardmen	Magic	Support	Epic	Accuracy 45 Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Vasal of the Seal	60	6	21315	870	1288	98	15	50	40	20
Venomage	60	6	17175 -4140	1002 +132	1156 -132	96 -2	15	50	30 -10	15 -5

Skills comparison

Vasal of the Seal	Abyssal Seal Formula: 0.25*HP Attacks 1 enemy. Places a [HP Burn] debuff on the target for 2 turns if they are under a [True Fear] debuff or a [Decrease ATK] debuff. Also places a [Shield] buff on this Champion for 2 turns equal to 10% of their MAX HP. Shield HP Burn	Infernal Darkness Formula: 0.27*HP Attacks all enemies. Has a 75% chance of placing a [True Fear] debuff and a 50% [Decrease ATK] debuff for 2 turns. Cooldown: 5 True Fear Decrease ATK 50%	Daemon Possession Balances the HP of all allies. The HP levels of all allies will be brought up to the level of the ally with the highest HP. After balancing HP, grants an Extra Turn. Cooldown: 6	Legion of Doom [P] Formula: -0.2DMG_MUL Formula: 0.2DMG_MUL Receives 20% less damage from Champions from the Banner Lord, High Elf, and Sacred Order Factions. If there are 2 or more Demonspawn Champions on the team alongside this Champion, increases the C. DMG of all Demonspawn Champions on the team by 20%. [C. DMG increase only works when this Champion is alive.]
Venomage	Toxicity Formula: 2.4ATK Formula: 0.75DEALT_DMG Formula: 2.4ATK Formula: 0.75DEALT_DMG Attacks 1 enemy 2 times. Destroys the target's MAX HP by 75% of the damage inflicted if they are under a [Heal Reduction] debuff. Each hit has a 35% chance of activating one tick of two [Poison] debuffs on the target.	Neurotoxin Formula: 6*ATK Attacks 1 enemy. Has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Also has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns if the target is under a [Poison] debuff. Cooldown: 4 Decrease DEF 60% Decrease ATK 50%	Fleshmelter Venom Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 100% [Heal Reduction] debuff for 3 turns. Also has a 75% chance of placing two 5% [Poison] debuffs for 2 turns. Cooldown: 4 Poison 5% Heal Reduction 100%	Pain Writhe [P] Formula: -0.15*DMG_MUL Enemies under [Heal Reduction] debuffs inflict 15% less damage.