Here is the full list of all 44 Fallen Legion: Flames of Rebellion trophies - there are 30 bronze, 10 silver, 3 gold and 1 platinum.
Congratulations! You obtained all of the trophies.
Face the Order of the Bleeding Axe.
Use the Psyche Devourer spell.
Unlock Order Longinus.
Unlock Order Apollon.
Use three of the same Exemplar in battle.
Unlock the epilogue.
Complete One Life mode.
Unlock Chaos Zulfiqar.
Unlock Chaos Winchester.
Unlock Order Dardanelles.
Unlock Chaos Mjolnir.
Use two of the same Exemplar in battle.
Trigger break mode while fighting the final boss.
Complete the third act.
Master many deathblows.
Join a raid with Constantine.
Trigger break mode while fighting General Aurelius.
Discover the secret in Styricaem.
Trigger break mode while fighting the Crystal Golem.
Unlock Chaos Apollon.
Use the White Staccato spell.
Complete the second act.
Unlock Order Mjolnir.
Find a celestial gem or an arcane gem.
Unlock Chaos Longinus.
Defeat the Ouroboros Cypress.
Choose March Congress cards 25 times.
Choose Prime Legion cards 25 times.
Choose Council of Princes cards 25 times.
Unlock Order Winchester.
Unlock Order Zulfiqar.
Trigger break mode while fighting Micena.
Complete a 100-chain combo.
Trigger break mode while fighting the Vandee Werewolf.
Rescue Princess Agnes in her time of need.
Unlock Chaos Dardanelles.
Earn a S-rank in a stage.
Complete the first act.
Trigger break mode while fighting the Manticore.
Complete a 50-chain combo.
Inflict over 9,000 damage without breaking the chain meter.
Deflect an enemy attack with a perfect block.
Perform a link attack.