Hellgazer vs Vasal of the Seal

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Hellgazer	Demonspawn	Spirit	Attack	Epic	Attack 27% Place: Crypts
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Hellgazer	60	6	17670	1476	650	97	15	60	30	0
Vasal of the Seal	60	6	21315 +3645	870 -606	1288 +638	98 +1	15	50 -10	40 +10	20 +20

Skills comparison

Hellgazer	Soul Rend Formula: 2.9*ATK Attacks 1 enemy. Has a 30% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Dark Awakening Removes all debuffs from this Champion. Places a 50% [Increase ATK] buff on this Champion for 2 turns. Grants an Extra Turn. Cooldown: 4 Increase ATK 50%	Malign Lightning Formula: 3.9ATK Formula: 0.1MAX_STAMINA Attacks all enemies. On each critical hit fills this Champion's Turn Meter by 10%. Cooldown: 5	-
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.]