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