Here is the full list of all 56 Onimusha: Warlords trophies - there are 48 bronze, 5 silver, 2 gold and 1 platinum.
Collect all trophies.
Unlock Kaede's alternate outfit.
Complete the game and get an S Rank.
Complete the game on Ultimate difficulty.
Complete the game in less than 3 hours.
Complete the game on Normal without enhancing swords or using Jewels.
Find the beetle on the tree trunk.
Collect all files.
Win a power struggle with a demon.
Complete all stages of Oni Spirits.
Obtain the Bishamon Sword.
Complete the second half of the Dark Realm.
Collect all Fluorite.
Complete the first half of the Dark Realm.
Unlock Samanosuke's alternate outfit.
Complete the game on Normal without using herbs or medicine.
Defeat Fortinbras.
Enhance the gauntlet to maximum.
Collect all maps.
Defeat Marcellus's final form.
Strike Marcellus's final form with a Deflect Critical attack.
Open the gate to the Demon World.
Enhance all swords to maximum.
Use Power Jewels to increase Vitality to maximum.
Defeat Hecuba.
Solve all number puzzles.
Obtain all armor for Samanosuke.
Use Magic Jewels to increase Magic Power to maximum.
Solve all decoder boxes.
Defeat a demon by knocking it down the waterfall.
Absorb souls from carp.
Use the Decorated Sword to enter the East Area.
Enhance all orbs to maximum.
Obtain all long-range weapons.
Defeat Barabazuu.
Kill a demon with a battering ram.
Obtain the Vision Staff.
Defeat Stylado.
Obtain the Sacred Knife.
Cut down bamboo in the bamboo forest.
Speak to the first and second old moth man.
Strike a demon with Kaede's Special Attack.
Obtain the Rosary of Communication.
Unseal the path to the Keep Underground.
Obtain the Arashi.
Defeat Marcellus.
Solve the crest puzzle.
Enter the abandoned keep.
Obtain the Kouen.
Defeat Osric.
Use a Special Attack to kill a demon.
Save a soldier under attack by demons.
Enhance equipment at Magic Mirror.
Obtain the Shiden.
Spot the flock of wild geese at dusk.
Use the gauntlet to absorb demon souls.