Here is the full list of all 46 Medieval Moves trophies - there are 34 bronze, 8 silver, 3 gold and 1 platinum.
Complete all trophies
Complete the chapter Edmund's Training
Complete the chapter Rooftops
Complete the chapter The Arena
Complete the chapter Guiding Light
Complete the chapter Over the Wall
Complete the chapter The Crepes of Wrath
Complete the chapter Passing Time
Complete the chapter The Hammer and the Nail
Complete the chapter A Massive Task
Complete the chapter One Small But Determined Warrior
Make it through the arena section of The Arena without drinking any milk
Yank down the outhouse in the Siege Camp
In A Cool Dry Place free skeletons by yanking the hot bowl of soup onto them
In Turning of the Gears free an enemy by closing the trap door on them
Avoid taking damage during the boulder dash portion of Boulder Dash
During Escape! defeat an ogre using only rocks
Defeat Roland without getting knocked back
Defeat Foreman without taking any damage
Defeat the Chef Boss without using your sword or bow and arrow
Defeat Peter the Giant in under 5 minutes and 30 seconds
Defeat Morgrimm only using the bow and arrow
Free 15 enemies in a single Amulet power up use
Drink 50 bottles of milk
Throw 75 sticks of dynamite
Get 250 Headshots with the bow and arrow
Complete a chapter without taking any damage (excluding Flash Forward, Edmund's Training and A Change of Plans)
Get at least one of every type of pick up
Free 100 critters... for fun!
Successfully use the bow and arrow, throwing star, the sword and shield against a single non boss enemy
Break 500 objects
Complete the 3 point controller calibration in under 3 seconds
Grapple pull 50 cauldrons in Cauldron Chaos mode
Win a multiplayer match in every game mode
Use every character in a Battle Mode
Complete a chapter on the Champion difficulty or higher without drinking any milk (excluding Flash Forward, Edmund's Training and A Change of Plans)
Destroy all Morgrimm Machines in Story Mode
Free 100 enemies within a single Invasion Mode match
Successfully defend 15 waves in a single Royal Guard match
Pick up 500 gold coins in Story Mode
Play 50 multiplayer games
Collect all of the Story Scrolls
Collect all of the Royal Treasures
Complete Story mode on King difficulty
Earn all unlockables in Battle Mode
Free a total of 2,500 enemies in your lifetime