Here is the full list of all 26 Knights of Pen and Paper 3 achievements.
Complete the quest Shuffling Showdown.
Complete the quest Progress Report.
Kill 50 Skeletons.
Complete the quest This Time We Finish You!
Reach level 20 with a character.
Reach level 10 with a character.
Kill 33 Lobster Boxers.
Kill 25 Trolls.
Kill 25 Magical Karps.
Have all enemies act before you in a 5v5 battle.
Kill 25 Ettins.
Complete the quest Into the Spire.
Complete the quest Management Feedback.
Win a Hard 5v5 battle.
Kill 10 Goblins.
All current Party Heroes are Dwarfs.
Win a 5v5 battle with one character alive.
Kill 60 Darts.
Kill 50 Floradogs.
Reach level 100 with a character.
Have 5 characters at max level.
Complete the quest Victory!
Complete the quest Furry Menace.
Complete the quest All Hail the King.
Reach Dark Dungeons level 25.