Here is the full list of all 41 Chivalry 2 achievements.
Win Coxwell 25 times
Win Rudhelm Siege 25 times
Get 50 kills in one match
Win Dark Forest 25 times
Achieve 100 kills as Archer
Win Lionspire 25 times
Win Coxwell 10 times
Kill an enemy with a projectile from over 100 meters
Win Rudhelm Siege 10 times
Win Dark Forest 10 times
Kill 2000 Enemies in a Multiplayer match.
Win Lionspire 10 times
Win Coxwell 5 times
Kill 1500 Enemies in a Multiplayer match.
Win Dark Forest 5 times
Kill 13 enemies with bread
Get 10 unarmed kills
Get 50 kills with siege weapons
Win Rudhelm Siege 5 times
Deflect 100 projectiles
Kill 1000 Enemies in a Multiplayer match.
Successfully counter 200 attacks
Win as Agatha 10 times
Win Lionspire 5 times
Kill 500 Enemies in a Multiplayer match.
Fire 1000 arrows
Achieve 100 kills as Knight
Achieve 100 kills as Vanguard
Achieve 100 kills as Footman
Kill 250 Enemies in a Multiplayer match.
Win as Mason 10 times
Revive 10 downed teammates
Kill 100 Enemies in a Multiplayer match.
Achieve 2 kills in a row without dying while under 25 health
Bandage yourself 3 times in one life
Kill 50 Enemies in a Multiplayer match.
Die from fire
Make an enemy fall to their death
Get revived from a downed state
Kill an enemy wielding a bastard sword, with a bastard sword
Kill 10 Enemies in a Multiplayer match.