Vasal of the Seal vs Aox the Rememberer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles
Aox the Rememberer	Lizardmen	Force	Support	Epic	Accuracy 60 Place: Doom tower

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
Aox the Rememberer	60	6	17010 -4305	991 +121	1178 -110	99 +1	15	50	30 -10	15 -5

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.]
Aox the Rememberer	Feathered Staff Formula: 2.1*ATK Attacks 1 enemy 2 times. Each hit has a 10% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Lore of Restoration Formula: 5.7ATK Formula: 0.1TRG_HP+(0.025TRG_HPREL_TRG_DEBUFF_COUNT) Attacks 1 enemy. Heals all allies by 10% of their MAX HP. Heals each ally by an extra 2.5% for each debuff on the target. Cooldown: 4	Weight of Aeons Formula: 0.2*MAX_STAMINA Places a 50% [Decrease ATK] debuff on all enemies for 2 turns. Also has a 75% chance of decreasing each enemy's Turn Meter by 20%. Places a 30% [Decrease C. RATE] debuff on the target for 2 turns if they have 50% or more Turn Meter after the Turn Meter decrease. Cooldown: 4 Decrease C. RATE Decrease ATK 50%	Steward of Time [P] Increases the duration of 2 random debuffs on the attacker by 1 turn when attacked. Occurs once per hit.