Gather Mutated Inina Shells with a Verteron Apprentice, then take them to Seira.
Step 1. Become a MentorAn Instructor for Group Members. You can reach Mentor status only if a Group Member is 10 or more levels lower than you. for a Verteron ApprenticeA Daeva between levels 10 and 19 who works mainly in Verteron. and collect Mutated Inina ShellThe shell of Tainted Inina.s for SeiraA Daeva at the Verteron Fortress. She’s an Orichalcum Key member.. (You need to collect: Mutated Inina ShellThe shell of Tainted Inina.)