Here is the full list of all 29 Magicians & Looters achievements.
Beat the game
Complete the game with Abridged mode off
Find the treasure in the water cavern in the Chasm
Die once to the Red Warlock
Defeat Looter without using the shield
Kill all the peochs in the Castle Looter Peoch Pit
Find all of Captain Cuddles' training spots
Get squished by a door or masher
Destroy 5 missiles by hitting them
Hunt and kill the most dangerous game
Beat the game with 100% items and 100% map
Kill five deathballs with fruit
Perform five Falcon Dives without touching the ground
Kill a bat, eat the candy
Finish a morg man with Vienna's Lion Strike
Stay in blitz for 60 seconds straight
Get looted by an imp, then get your loot back
Defeat all four obstacle courses
Kill the Golem without killing any of the eyelors
Destroy 5 missiles with wisp
Kill 3 of these guys
Decapitate 100 morg minions
Defeat Oraskue with only fireballs
Discover the Hidden Shop
Have five wisps with you at one time
Run as fast as the game allows
Beat the game in under two hours
Beat the game a second time
Pop a squidly with Brent's Lunge attack