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Achievements

Dark Side of Harmonia

Dark Mirror

Unlock condition

Site text · review not recorded

Enter the Dark Mirror and arrive at the alternate Demon King Castle.

Practical tip

Site text · review not recorded

Unlock the Dark Mirror through normal-mode progression, then enter it. You do not need to defeat its first boss.

Steam official list · 2026-09-06

About site text

Game wording, site translations and explanations are kept distinct. Site text in every language is subject to review. AI review is not human review; unrecorded checks remain unknown.