Here is the full list of all 33 Age of Chivalry achievements.
Slay 25 with throwing axes.
Slay 1000 Agathians and 1000 Masons
Kill 100 with your Warhammer.
Decpitate 2 opponents with 1 swing
Be mean to animals.
Score 150 points or more on Sorrow
Kill someone with an oilpot.
Accumulate 1000 Kills.
Get 20 decapitations in one round
Decapitate an opponent that is on fire
Chop down the Tree in The Shore.
Slay 25 with throwing knives.
Torch 5 players to death in one round
Kill 3 people while on the brink of death
Push the cart on Dark Forest.
Kill 5 enemies without dying
Headshot, Decap or Head Explodie the last person to kill you after dying.
Get 50 kills with the Longbow
Get 200 Kills with the Longbow
Get 1000 kills with the Longbow
Get 200 kills with the Dagger
Get 10 Headshots with the Bow in one game
Get the first kill in a round
Kill 10 players with your hand axe.
Found the secret room!
Decapitate a peasant in The Shore.
Fire the Trebuchet in The Siege.
Push the bomb cart in Helms Deep.
Execute a prisoner in Dark Forest.
Destroy the developer gravestones in Death Valley.
Get 500 kills with each class
Get a Headshot with the Ballista
Hit an opponent with a Javelin from over 100 feet away