Here is the full list of all 30 Charlie | The Legend achievements.
Win one match as Charlie.
Win one match playing as Survivor.
Achieve level 1.
Achieve Level 100.
Achieve Level 50.
Perform 2500 headshots to Charlie.
Kill one Scavenger.
Kill 100 Scavengers.
Kill 500 Scavengers.
Kill 1000 Scavengers.
Kill 500 Survivors.
Send Charlie back to hell.
Send Charlie back to hell 50 times.
Recover health using orbs 500 times.
Invoke 250 Scavengers
Perform 100 melee attacks.
Use healing items 500 times.
Perform Charlie´s Claw attack 1000 times.
Hit enemies 500 times using Dark Fire.
Free 50 possessed teammates using holy water.
Possess one survivor.
Escape once.
Escape 100 times.
Kill all 4 survivors in a single match.
Kill all 4 survivors 500 times.
Possess 100 Survivors.
Escape 500 times.
Complete 1000 Matches.
Kill Charlie 100 times.
Kill Charlie 500 times.