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