Red Obsidian Remnant

Hire at least three adventurers in an adventure.

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Successful completion of six challenges in an adventure will unlock the 『Super Challenge Room』.

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Kill at least three adventurers in an adventure.

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The first clearance of the 『Underground Prison』on the 3rd floor will unlock『The Corruption』on the 4th floor.

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Clearance the『Limit』 in multiplayer mode

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The clearance of『The Corruption』under『Nightmare』mode will unlock『Devil's Gift』.

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Successfully passing trials of four floors under the 『Easy』 mode.

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The clearance of the『Hard』mode will unlock the『Nightmare』mode.

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Successfully passing trials of four floors under the 『Limit』 mode.

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The clearance of the『Nightmare』mode will unlock the『Limit』mode.

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Successfully passing trials of four floors under the 『Normal』 mode.

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