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