Here is the full list of all 18 Rogue Wizards achievements.
Leader of the Wizards Guild
Merrol's Grandfather
Cosmic Wizard
Nature Wizard
Sky Wizard
Died with a health potion, how embarrassing.
Earth Wizard
Fire Wizard
Tried to kill 100 hallucinations
Find a legendary item
Ice Wizard
Find a divine item
Acquire a pet
Find a rare item
Stockpile 500,000 gold
Reach Level 50
Kill 20 Greedlings
Discover 50 mimics