[ADV] Corrupt Yolun Dagger

- Description: The key to enter Atoraxxion: Sycrakea - Syca's Cradle. Syca's Contorted Tentacle is wrapped tightly around this dagger made of lightstone, and the following is written on the handle in faint letters: "This must be the final resting place of the masters of the stronghold. That is your sole purpose henceforth." ※ This item is only for Atoraxxion Solo mode and cannot be used in the 5-person Co-op mode.

- Additional use requirements are not yet decoded; this is not a complete eligibility check.