Sicia Flametongue vs Retainer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Sicia Flametongue	Demonspawn	Force	Attack	Legendary	Accuracy 60 Place: All battles
Retainer	Dark Elves	Void	Defence	Rare	Defence 19% Place: Crypts

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Sicia Flametongue	60	6	13050	1586	1123	97	15	60	30	20
Retainer	60	6	16185 +3135	672 -914	1277 +154	93 -4	15	50 -10	40 +10	0 -20

Skills comparison

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.
Retainer	Sundering Chop Formula: 3.2*DEF Attacks 1 enemy. Has a 40% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Decrease DEF 30%	Resolute Stance Formula: 0.4*HP Heals this Champion by 40% of their MAX HP and places a [Counterattack] buff on this Champion for 2 turns. Cooldown: 4 Counterattack	Hypnotize Formula: 4.7DEF Formula: 0.5MAX_STAMINA Attacks 1 enemy. Decreases the target's Turn Meter by 50%. If the target's Turn Meter is fully depleted, places a [Sleep] debuff on them for 1 turn. Cooldown: 5 Sleep	-