Here is the full list of all 20 Wizard of Legend trophies - there are 3 bronze, 8 silver, 8 gold and 1 platinum.
Collect all trophies
Unlock 3 Chaos Arcana
Clear the Chaos Trials in 25 mins
Unlock 99 relics
Unlock 9 outfits
Enter the Chaos Trials in co-op mode
Defeat Master Sura
Hold 4 cursed relics
Defeat a council member without taking damage
Unlock 50 relics
Unlock 99 arcana
Hold 999 chaos gems at one time
Unlock 50 arcana
Defeat Taffy 5 times
Destroy 99 paintings during the Chaos Trials
Defeat Earth Lord Atlas
Land a 50 hit combo on any boss
Defeat Flame Empress Zeal
Defeat Frost Queen Freiya
Complete the tutorial