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