Here is the full list of all 59 The Last Warlock achievements.
Subvert your first enemy
Change your Warlocks appearance
Collect all Gems in Ruins of the King
Find the Kings island
Collect all Gems in Mausoleum of the Wraith
Collect all Gems in The Goblin Witch
Collect all Gems in Veldar the Mighty
Collect all Gems in Roch Castle
Collect all Gems in Moon Islands
Collect all Gems in Elf Fortress
Collect all Gems in Urhigs Gaol
Find the secret to ascension!
Make regular use of Mounts
Raise a creature from the dead
Make regular use of flying creatures
Become an adept summoner
Become an expert summoner
Become a master summoner
Become an amateur potion crafter
Become an adept potion crafter
Become an expert potion crafter
Become a master potion crafter
Become an amateur shield crafter
Become an adept shield crafter
Become an expert shield crafter
Become a master shield crafter
Become an amateur bow crafter
Become an adept bow crafter
Become an expert bow crafter
Become a master bow crafter
Become an amateur weapon crafter
Become an adept weapon crafter
Become an expert weapon crafter
Become a master weapon crafter
Collect some fairies!
Hoard all the fairies!
Master collecting fairies!
Kill some monsters!
Find some treasure!
Summon some undead
Summon many undead!
Win an online battle game
Complete a multiplayer hotseat game
Drain the lake in Roch Castle
Offer food in Roch Castle
Find the key to the Mausoleum
Defeat Mgols trap
Find Mgols hidden treasure room
Find Urhigs Hidden Lair
Venture upstairs in Elf Fortress
Pillage the Moon Island Wreck
Find Veldars Hellhound treasure
Find Veldar's Grave Island