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.
Cockatrices x10
Garland’s Lost Chapter: Cycle of Battle Pt. 10 (Normal difficulty) has 5 Cockatrices in 4 waves, completing the mission in 2 fights.
Poison Bats x10
Maria’s Lost Chapter: The Beautiful Archeress Pt. 4 (Normal difficulty) has 5 Poison Bats 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: