Vasal of the Seal vs Bivald of the Thorn

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles
Bivald of the Thorn	The Sacred Order	Spirit	HP	Legendary	HP 28% 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
Bivald of the Thorn	60	6	22470 +1155	903 +33	1178 -110	98	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.]
Bivald of the Thorn	Thorn Maul Formula: 0.25HP Formula: 0.15DEALT_DMG Attacks 1 enemy. Has a 30% chance of placing a [Provoke] debuff for 1 turn. Also heals the ally with the lowest HP by 15% of the damage inflicted. The [Provoke] debuff can be placed even if this attack lands as a weak hit. Provoke	Admonition of Barbs Formula: 0.15HP Formula: 0.15HP Attacks all enemies 2 times. The first hit has a 75% chance of placing a [Provoke] debuff for 1 turn. The second hit has a 75% chance of placing a [Leech] debuff for 2 turns. Also places a 25% [Strengthen] buff on this Champion for 2 turns. The [Leech] and [Provoke] debuffs can be placed even if this attack lands as weak hits. Cooldown: 4 Leech Strengthen Provoke	Briar Nexus Formula: 0.25HP(1+0.05TRG_DEBUFF_COUNT) Formula: 0.2DEALT_DMG Attacks all enemies. Damage increases by 5% for each debuff on each enemy. Also heals all allies by 20% of the damage inflicted and places a [Shield] buff on them for 2 turns equal to 20% of the damage inflicted. Cooldown: 5 Shield	Dethorned [P] Formula: -0.15*DMG_MUL Decreases the damage taken by all allies from enemies under [Provoke] debuffs by 15%.