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Base Effect
Lantern Key
Lantern Key card borderLantern Key card frameQuestLantern Key card bannerLantern Key card cost plate

Lantern Key

0
Unplayable. Unlocks a special event in the next Act.
Upgrade Effect
Lantern Key+
Lantern Key+ card borderLantern Key+ card frameQuestLantern Key+ card bannerLantern Key+ card cost plate

Lantern Key+

0
Unplayable. Unlocks a special event in the next Act.
NeutralQuestQuest

Lantern Key

Base Effect

Unplayable. Unlocks a special event in the next Act.

✦Upgrade Effect

Strategy

Use this card to smooth early hallway fights, then evaluate whether it still advances your energy curve and scaling plan in elite and boss encounters.

Recommended Synergy

Pair it with draw, cost reduction, and relic support that lets the effect matter on the exact turn you need tempo or setup.

Lantern Key card guide with upgrades, synergies, and deck us