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