Vasal of the Seal vs Sicia Flametongue

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles
Sicia Flametongue	Demonspawn	Force	Attack	Legendary	Accuracy 60 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
Sicia Flametongue	60	6	13050 -8265	1586 +716	1123 -165	97 -1	15	60 +10	30 -10	20

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.]
Sicia Flametongue	Towering Inferno Formula: 1.05*ATK Attacks 1 enemy 3 times. Each hit has a 15% chance of increasing the duration of [HP Burn] debuffs on the target by 1 turn.	Flame Eruption Formula: 3.7*ATK Attacks all enemies. Has an 80% chance of placing a 25% [Weaken] debuff for 2 turns. Also has an 80% chance of placing a 60% [Decrease DEF] debuff for 2 turns if there are at least 2 enemies under [HP Burn] debuffs. Then instantly activates one tick of all [HP Burn] debuffs on all enemies. Cooldown: 4 Weaken 25% Decrease DEF 60%	Firestorm Rite Formula: 3.5*ATK Places a [HP Burn] debuff on this Champion for 3 turns, then attacks all enemies. Has a 75% chance of placing a [HP Burn] debuff on all enemies for 3 turns. Grants an Extra Turn if a [HP Burn] debuff is placed on all enemies. Cooldown: 5 HP Burn	Metaphysics [P] Formula: 3(EnemyTeamAppliedEffectsTotalCountOfKind(AoEContinuousDamage_KindId)+AllyTeamAppliedEffectsTotalCountOfKind(AoEContinuousDamage_KindId)) Formula: DMG_MUL(0.03(EnemyTeamAppliedEffectsTotalCountOfKind(AoEContinuousDamage_KindId)+AllyTeamAppliedEffectsTotalCountOfKind(AoEContinuousDamage_KindId))) Formula: -DMG_MUL Formula: 0.03TRG_HP Increases this Champion’s SPD by 3 and damage inflicted by 3% for each ally and enemy under a [HP Burn] debuff. If Cardiel is on the team, all allies will heal by 3% of their MAX HP from [HP Burn] debuffs instead of receiving damage and losing HP.