Here is the full list of all 16 The Last Monster Master achievements.
Complete the game.
You convinced Orlich to fully repair the Combat training facility.
Send a monster to each of the four main career paths.
You sent one of your monsters to become a Generator.
Successfully prepare a monster for a top-tier career.
Prepare a monster for a bottom-tier career.
You pushed a monster to run away and go rogue.
You saved all monsters and Abe from the attack on the Academy.
You defeated Alumig at 3 to 1 odds.
You overbonded with a monster.
Hoard over ‡30,000 spia.
Finish the game with over 80 Telepathy.
Finish the game with over 80 Body Language.
Both of your monsters resisted Alumig's temptation.
You saw the return of the runaway monster in only three hours.
Max out a training facility's repairs.