Martyr vs Vasal of the Seal

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Martyr	The Sacred Order	Spirit	Defence	Legendary	Defence 33% 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
Martyr	60	6	20145	826	1409	93	15	50	50	10
Vasal of the Seal	60	6	21315 +1170	870 +44	1288 -121	98 +5	15	50	40 -10	20 +10

Skills comparison

Martyr	Rush Formula: 3.4*DEF Attacks 1 enemy. Has a 45% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Bastion of Faith Places a 60% [Increase DEF] buff and a [Counterattack] buff on all allies for 2 turns. Cooldown: 4 Counterattack Increase DEF 60%	Suppression Formula: 4*DEF Attacks all enemies. Places a 50% [Decrease ATK] debuff for 2 turns. Places a [Provoke] debuff for 1 turn. Cooldown: 6 Provoke Decrease ATK 50%	-
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.]