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Osty deals 6 damage.
Deals additional damage equal to Osty's current HP.
Unleash is a high-impact scaling attack that converts Osty's current HP into bonus damage, making it the primary payoff for Summon-heavy strategies. It is most effective when played after significant Summoning setup and requires maintaining Osty's health to preserve its damage potential.
Reanimate
This card provides a massive Summon 20 effect, which immediately adds 20 damage to Unleash's output for a single card play. It is the most efficient way to scale Unleash into late-game boss-killing nuke territory.
Spur
Since Unleash scales with Osty's current HP rather than his maximum, the healing provided by Spur is vital for restoring damage potential after Osty takes hits. The accompanying Summon 3 further increases the damage ceiling while keeping the companion healthy.
Dirge
Dirge allows for flexible scaling by Summoning 3 HP multiple times based on Energy spent, directly feeding into Unleash's damage calculation. This synergy is particularly strong in the late game when Energy generation is high, allowing for massive burst turns.
Phylactery Unbound
This relic grants an immediate Summon 5 at the start of every combat, ensuring Unleash has a high damage floor from the very first turn. It significantly reduces the setup time required for Unleash to become an efficient damage-per-energy option in shorter encounters.