Quick answer
Pick up from the table near Marine Base Town spawn.
How to find or unlock Lava Key
Start by checking the status above. For a released entry, follow the listed location, boss, merchant, quest, spawn, or crafting route: Pick up from the table near Marine Base Town spawn.
Before using a key or rare material, confirm the same name appears in the live game interface. Haze Seas is receiving frequent 2026 updates, so a status-first check is safer than following an old video that may describe a preview build.
What it does
Unlocks the Mace Boss cave.
Availability & data confidence
Official + community cross-check means the entry name and core route were checked against official game surfaces or an official-Trello transcription, then compared with current community observations. Patch-sensitive values remain descriptive unless the current official text publishes an exact number.
Frequently asked questions
Is Lava Key available in Haze Seas?+
Lava Key is currently labelled Obtainable. Its listed route can be followed in the current data snapshot.
How do you get Lava Key?+
Pick up from the table near Marine Base Town spawn.
What is Lava Key used for?+
Unlocks the Mace Boss cave.