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.
Martinet x10
The Emperor’s Lost Chapter: Dastardly Dominus Pt. 8 (Normal difficulty) has 4 Martinets 3 waves, completing the mission in 3 fights.
Sweeper x10
Palom’s Lost Chapter: A Mischievous Black Mage Pt. 15 (Normal difficulty) has 5 Sweepers in 3 waves, completing the mission in 2 fights.
Thanks
To the DFFOO “Monster Hunter Guide“, an initiative to list all monster locations in the game (maintained by Marvan09).
To @xcaliblur, @mzpro2, @infinitus and @Lumine who also contributed tips for these stages in our public DFFOO Telegram group, which can be found here: