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