To the next Anon with a post ending in an even number: Check your Limbus Pass level. If it is divisible by 2 or 3, complete a Hard Mode Mirror Dungeon run using only Sinners with Identities from the World of N Corp.
To the next Anon with a post ending in an odd number: Play a Focused Encounter in Canto 6 with Meursault deployed in the #5 slot. You must only use Defense skills on Meursault for the encounter.