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