Vault Keeper Wixwell vs Vasal of the Seal

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vault Keeper Wixwell	The Sacred Order	Force	Defence	Legendary	Defence 28% Place: All battles
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
Vault Keeper Wixwell	60	6	19650	771	1498	102	15	50	50	0
Vasal of the Seal	60	6	21315 +1665	870 +99	1288 -210	98 -4	15	50	40 -10	20 +20

Skills comparison

Vault Keeper Wixwell	Deadbolt Formula: 1.5*DEF Attacks 1 enemy 2 times. Each hit has a 40% chance of placing a [Provoke] debuff for 1 turn. If the target is a Boss, the chance increases to 80%. Provoke	Tempest of Knowledge Formula: 3.5DEF Formula: (REL_TRG_SHIELDS_SUM_VALUE0.03)*increasedTurnsCountByRelation Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Also increases the duration of all ally buffs by 1 turn. Then increases the value of all [Shield]s on all allies. The value of each [Shield] is increased proportional to the total number of buffs which had their duration increased. Cooldown: 4 Decrease ATK 50%	Codex Intercipio Places 2 [Intercept] stacks on a target ally. Also places a 60% [Increase DEF] buff and a [Shield] buff on all allies for 2 turns. The value of the [Shield] is proportional to this Champion's DEF. Cooldown: 5 Intercept Shield Increase DEF 60%	Isolated Lunacy [P] At the start of each Round, places a [Counterattack] buff on this Champion for 1 turn. This buff cannot be removed. At the end of this Champion’s turn, places a [Counterattack] buff on them for 1 turn. Counterattack
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.]