Vasal of the Seal vs Soulless

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles
Soulless	Knight Revenant	Void	Defence	Legendary	Defence 33% 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
Soulless	60	6	19650 -1665	848 -22	1421 +133	97 -1	15	50	50 +10	10 -10

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.]
Soulless	Bewildering Blow Formula: 3.6*DEF Formula: -0.3 Attacks 1 enemy. Has a 35% chance of placing a [Stun] debuff for 1 turn. Will ignore 30% of the target’s DEF if the target is under a [Provoke] debuff. Stun	Wave of Despair Formula: 3.9*DEF Attacks all enemies. Has a 75% chance to remove all buffs. Also has a 75% chance to place a 50% [Decrease ATK] debuff and a [Hex] debuff for 2 turns. Cooldown: 3 Provoke Decrease ATK 50% Hex	Reign of Terror Formula: 4.9DEF Formula: DMG_MUL0.1*TRG_DEBUFF_COUNT Attacks all enemies. Increases the duration of all debuffs on each target by 1 turn, then places a [Provoke] debuff on all enemies for 1 turn. Places a [Shield] buff on all allies for 2 turns equal to 30% of damage inflicted, and a [Counterattack] buff on this Champion for 2 turns. Damage increases by 10% for each debuff on the target. Cooldown: 4 Shield Counterattack Provoke	Foul Provocation [P] Formula: -0.3REL_TRG_RES Formula: DMG_MUL0.25 Will ignore 30% of a target’s RES if the target's DEF is lower than this Champion's. Allies deal 25% more damage to targets under a [Provoke] debuff placed by this Champion. If there are multiple Champions on the team with this skill, only one will activate. This skill will not activate on duplicate copies of this Champion, if this particular Champion is dead.