Here is the full list of all 18 Puzzle Forge Dungeon achievements.
Throw back a weapon targeted by "steal" action to the enemy.
Create all equipement types.
Defeat all monster types.
Consum a magic chicken.
Kill an enemy with more than 100 HP with a single shot.
Create a weapon with 100 magic points.
Kill a fleeing enemy.
Get "S" rank on a district.
Get "S" rank on all districts.
Activate 3 magic heat slots with a single craft.
An enemy kills himself by attacking an armor piece.
Defeat the final boss.
Defeat the final boss with all heroes.
Defeat all bosses with all heroes.
Finish 8 hard battles in Boardhell
Pick up 10 chests in Boardhell
Finish 10 challenges in Boardhell
Go beyond 10 stages in Boardhell