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