Here is the full list of all 19 Wizard of Legend achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Unlock 3 chaos arcana
Clear the Chaos Trials in 25 minutes
Defeat Master Sura
Hold 999 chaos gems at one time
Unlock 99 relics
Unlock 99 arcana
Enter the Chaos Trials in co-op mode
Unlock 50 arcana
Land a 50 hit combo on any boss
Defeat Taffy 5 times
Hold 4 cursed relics
Unlock 50 relics
Defeat a boss without taking damage
Unlock 9 outfits
Destroy 99 paintings during the Chaos Trials
Defeat Earth Lord Atlas
Defeat Frost Queen Freiya
Defeat Flame Empress Zeal
Complete the Tutorial