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.
Machinery types x30
Zack’s Lost Chapter: Shining in, Someday Pt. 8 (Normal difficulty) has 8 Machinery types in 4 waves, completing the mission in 4 fights.
Alternative:
Story Act 2 Chapter 5: 5-28 Central-Regulating Black Body (Normal difficulty) has 10 Machinery types in 4 waves, completing the mission in 3 fights.
Spirit x30
Story Act 2 Chapter 2: 2-3 Sacred Peak Pt. 1 (Normal difficulty) has 5 Spirit enemies in 3 waves, completing the mission in 6 fights.
Alternative:
Noctis’ Lost Chapter: Royal Hope Pt. 3 (Normal difficulty) has 4 Spirit enemies 4 waves, completing the mission in 8 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: