Here is the full list of all 56 Soul Sacrifice trophies - there are 48 bronze, 5 silver, 2 gold and 1 platinum.
Acquired all trophies.
Opened all pages of Librom.
Started pact with 6 identical Offerings.
Teased Librom in 3 different ways.
Killed archfiend in single player mode with 1 Offering.
Completed all Avalon Pacts.
Fulfilled all pacts for Penitence.
Fulfilled all pacts for Remorse.
Fulfilled all pacts for Pride.
Fulfilled all pacts for Reparation.
Fulfilled all pacts for Desire.
Fulfilled all pacts for Innocence.
Fulfilled all pacts for Envy.
Fulfilled all pacts for Atonement.
Acquired 50 Offerings by fusing.
Inflict 5 ailments on an archfiend.
Repaired 50 Offerings.
Fulfilled all pacts for Recursion.
Acquired 60 selectable raiments.
Life level or magic level reached 99.
Fulfilled all pacts for Judgment.
Learned 5 Black Rites.
Acquired 1000 soul/life essences.
Held 30 of one Offering.
Read through all Magusar chapters and staff credits.
Fulfilled all pacts for Only Memories Remain.
Acquired 1000 Offerings.
Fulfilled all pacts for The Knight of Vengeance.
Fulfilled all pacts for Beginning of the End.
Fulfilled all pacts for Ballad of a Werewolf.
Achieve the rank of “Legendary Sorcerer” 50 times.
Relived 100 pacts in multiplayer.
Fulfilled all pacts for Fading Humanity.
Fulfilled all pacts for Destinies Past.
Visited many places on pacts.
Fulfilled all pacts for Child of a Monster.
Earn the "Unscathed Kill" award in an Avalon pact.
Fulfilled all pacts for Several Years Later.
Acquired 500 Offerings.
Defeated 20 archfiends.
Used a Chest of Fortune in pact.
Fulfilled all pacts for The Wicked Sorcerer.
Life level or magic level reached 20.
Relived 20 pacts in multiplayer.
Defeated 10 archfiends.
Acquired 100 soul/life essences.
Acquired 100 Offerings.
Score 450 points or more in one pact.
Acquired one selectable raiment.
Unleashed 4 spells with no offerings equipped in one pact.
Relived a pact in multiplayer.
Fused Offerings.
Fulfilled all pacts for The Sorcerer's Ordeal.
Used a Black Rite.
Learned a new Black Rite.
Fulfilled pacts of Chapter I of The Sorcerer's Ordeal.