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