Here is the full list of all 56 Soul Sacrifice Delta trophies - there are 48 bronze, 5 silver, 2 gold and 1 platinum.
Acquired all trophies.
Earned Grim title "High Awakened."
Earned Avalon title "Archmage 1st Class."
Acquired 50 different accessories.
Invoked sacrifice magic with sorcerers of all alignments.
Earned Avalon title "Mage 1st Class."
Earned Grim title "High Atheist."
Earned Sanctuarium title "High Cardinal."
Defeated 20 Archfiends in co-op.
Fully completed your first Blank Page, earning rewards.
Fulfilled all pacts in all Ages.
Fulfilled all pacts in Age of Infinity.
Defeated the God-Dragon and saw ending.
Defeated an Archfiend in co-op for the first time.
Defeated an Archfiend of difficulty level 15.
Fulfilled all pacts in Age of Ruin.
Acquired many items from 20 Offering types in Ars Magica.
Recorded a total of 2,000 Slayer Points.
Fulfilled all pacts in Age of Oblivion.
Fulfilled all pacts in Age of Reformation.
Fulfilled all pacts for The Trail of a Life.
Demonstrated sorcerous might by crushing prison worms.
Fulfilled all pacts in Age of Rebirth.
Acquired 5 (+) Offerings.
Fulfilled all sorcerer pacts with Carnatux, Radux, Venatar, Militar, Terroria and Monstrux.
Read all Magusar chapters, fought Magusar, and saw ending.
Fulfilled all pacts in Age of Undeath.
Acquired 5 different accessories.
Fulfilled all pacts in Age of Bewilderment.
Fulfilled all pacts in Age of Escape.
Fulfilled all pacts for An Interlude in Time.
Fulfilled all pacts for The End Begins.
Fulfilled all sorcerer pacts with Similia and Terrwyn.
Defeated an Archfiend of difficulty level 10.
Earned Sanctuarium title "High Cleric."
Recorded a total of 200 Slayer Points.
Fulfilled all pacts in Age of Deceit.
Recorded your first Slayer Points.
Acquired many items from 10 Offering types in Ars Magica.
Triggered resonance using your faction's seal during quest.
Carried out a Rite of Transmutation.
Fulfilled all pacts in Age of Intrigue.
Fulfilled all pacts in Age of Transgression.
Defeated your first Orichalcum.
Fulfilled all pacts in Age of Authority.
Used up 10 Rumor Notes.
Fulfilled all pacts in Age of Thirst.
Defeated an Archfiend of difficulty level 3.
Fulfilled all pacts in Age of Temperance.
Fulfilled all pacts in Age of Dawn.
Fulfilled all sorcerer pacts with Sympatha and Aegrus.
Defeated an Archfiend of difficulty level 5.
Unlocked the ability to align with Grim.
Unlocked the ability to align with Sanctuarium.
Unlocked the ability to align with Avalon.
Acquired many items from one Offering type in Ars Magica.