Here is the full list of all 12 Waltz of the Wizard: Extended Edition trophies - there are 8 bronze, 3 silver and 1 gold.
Play the hidden musical notes.
Complete the maze trial.
Play a flawless crossbow target game.
Play a flawless gargoyle sword game.
Drink the 3 hidden potions.
Put on trial by the interdimensional judges.
Encounter the hallway monster.
Visit the canyon bridge.
Throw Skully out the window.
Play catch with the armor knight.
Brew all 12 spells in the cualdron.
Brew 6 spells in the cauldron.