Here is the full list of all 33 The Metronomicon: Slay the Dance Floor (EU) trophies - there are 15 bronze, 12 silver, 5 gold and 1 platinum.
Survive your first 10 songs in Story Mode.
Conquer one challenge in the school arena.
Destroy the Speyeder of the Wild Forest.
Succeed in your first story sidequest.
Perform a perfect meteor attack counter.
Attain a 100 note streak.
Unlock your first bonus song.
Perform a perfect Solo-Lane Team Attack.
Perform your first upgrade to the school.
You done did it all!
Dethrone the Wraith King in the Haunted Kingdom.
End the dancing of a great Candy Dragon.
Decompile a fearsome Dance-o-bot.
Save the world of Koras from Dancemageddon.
Make five arena challenges your chump.
Beat the final challenge's omega boss.
Defeat every arena challenge
Defeat every arena challenge on hard.
Succeed in beating five sidequests.
Succeed in every single sidequest.
Survive every song in Story Mode.
Survive every song in Story Mode on Hard.
Unlock Sara's laboratory.
Purchase every ultimate weapon.
Attain a 300 note streak
Survive a story song without killing an enemy.
Survive a story song without healing any party member.
Apply six buffs to one hero at the same time
Deal at least 7000 hp damage in one strike as Gwen
Kill five enemies in a row using just a single attack on each.
Beat a fifty song playlist without ever pausing.
Survive ten songs in Endless Mode in one run.
Survive thirty songs in Endless Mode in one run.