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.
Mu x10
Cycle Quests -> The Golden Cactuars Pt.3 (Normal difficulty) has 3 Mu in 3 waves, completing the mission in 4 fights.
Machinery Types x15
Zack’s Lost Chapter: Shining In, Someday Pt. 8 (Normal difficulty) has 8 Machinery Types in 4 waves, completing the mission in 2 fights. You can also complete this fight by farming the last stage in World of Illusions: Radiant Artifacts, completing it in 5 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: