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