Baal & Sezan

Baal & Sezan is a 5-star Fire Mage built around stacking debuffs and then cashing them in for massive area damage. Ghost Haunt hits two enemies and can leave poison, while Last Requiem strikes the whole team and can apply Unhealable and Decreased Speed for 2 turns. Dark Cloud is the payoff: it damages all enemies and grows stronger for every debuff already on the target, and whenever it secures a kill it instantly resets Last Requiem's cooldown. The kit can also strip enemy buffs and shut off enemy healing, but it has no passive and leans entirely on landing those debuffs.

Counters

• Heal-reliant and sustain teams — Last Requiem applies Unhealable for 2 turns and the kit can strip enemy buffs, so opponents who survive by topping up health get cut off and exposed before the big area nuke lands.
• Stacked-buff frontlines and shield-stackers — Its buff-stripping wipes the protective buffs enemies pile on, removing barriers and stacked advantages so the team-wide damage hits clean.
• Fragile multi-target lineups — Two of its three skills hit the entire enemy team, and Dark Cloud scales up with every debuff already applied, letting it punish squishy backlines all at once.
• Teams it can chain through — When Dark Cloud finishes off an enemy it immediately resets Last Requiem, so against a lineup it can start dropping, Baal & Sezan can fire its strongest area attack again right away and snowball.

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Countered by

• Cleansers — The whole engine depends on debuffs sticking — poison, Unhealable, Decreased Speed — and an enemy who cleanses those off both protects their healers and starves Dark Cloud of the debuff stacks it needs to hit hard.
• Effect Resistance and Immunity — Its debuffs are chance-based, so high resistance or an immunity buff lets enemies shrug off Unhealable and the speed cut, collapsing both its lockdown and its damage scaling.
• Burst that kills it first — It has no passive and no self-protection, so a fast assassin or hard-hitting opener can simply remove it before it stacks debuffs or lands its team-wide nuke.
• Stall once the kill chain breaks — Dark Cloud and Last Requiem sit on cooldowns and the free Requiem reset only triggers on a kill, so if no enemy dies the rotation slows and a durable, debuff-resistant team can outlast it.

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