Tip: Make a party with two of the required summon/characters + a fast group damage dealer and you can clear the character usage missions while also farming the required monsters.
Dark Lord x20
Kefka’s Lost Chapter: Vagaries of a Fractured Heart Pt. 2 (Normal difficulty) has 5 Dark Lords in 3 waves, completing the mission in 4 fights.
Thanks
To the DFFOO “Monster Hunter Guide“, an initiative to list all monster locations in the game (maintained by Marvan09).
To @xcaliblur, @mzpro2 and @infinitus who also contributed tips for these stages in our public DFFOO Telegram group, which can be found here: