Here is the full list of all 51 Dragon's Dogma trophies - there are 42 bronze, 5 silver, 3 gold and 1 platinum.
Collected all other Dragon's Dogma trophies.
Completed the adventure a second time.
Soar unto a new world.
Took refuge in an illusion.
Defeated the Ur-Dragon.
Defeated a hydra or archydra.
Defeated a drake, wyrm, and wyvern.
Obtained 350 pieces total of weapons and armor.
Obtained the almighty power of sovereignty.
Enlisted a large number of pawns.
Completed all pre-planned, non-notice board quests.
Entered the duke's manse.
Earned a total of 10,000,000G.
Gave 50 presents.
Put an end to all things.
Dealt the blow of deliverance.
Escaped the yoke of eternity.
Defeated an evil eye.
Peered into the very depths of the world.
Accepted the Godsbane blade.
Visited 150 locations.
Completed the urgent mission.
Received the duke's commendation.
Strengthened equipment in wyrmfire.
Learned all the skills of a single vocation.
Completed 50 notice board quests.
Raised a person's affinity to the maximum.
Entered the Soulflayer Canyon.
Attended an audience with the duke.
Defeated 3,000 enemies.
Visited 100 locations.
Entered the southwestern caves.
Entered the ancient quarry.
Used a Wakestone to restore the dead to life.
Acted as a reliable travel companion.
Obtained a forgery.
Dressed a male party member in women's clothing.
Helped Madeleine open her shop.
Changed your vocation.
Changed your main pawn's vocation.
Received a writ from the castle.
Visited 50 locations.
Directly enlisted a pawn to your party.
Entered Gran Soren.
Combined two materials to make an item.
Entered the azure caverns.
Earned the approval of the Enlistment Corps.
Enlisted a pawn to your party from beyond the rift.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.