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