Here is the full list of all 58 Lucius achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Kill 20 persons.
Kill 19 persons.
Kill 18 persons.
Kill 17 persons.
Kill 16 persons.
Turn on the television 5 times.
Use lesser combustion 10 times.
Kill 15 persons.
Use lesser combustion 5 times.
Kill 14 persons.
Turn off lights 20 times.
Kill 13 persons.
Get fifth level for memoryerase.
Kill 12 persons.
Use mindcontrol 10 times.
Shoot someone.
Get fifth level for combustion.
Kill 11 persons.
Kill 10 persons.
Complete all tutorial's.
Kill 9 persons.
Get fifth level for mindcontrol.
Assist on 3 suicides.
Combine 6 items.
Kill 8 persons.
Open safe without hints.
Open 50 drawers.
Kill 7 persons.
Use mindcontrol 5 times.
Complete chores for all the presents.
Kill 6 persons.
Get fifth level for telekenesis.
Kill 5 persons.
Turn a cross five times.
Read 20 journal entries.
Escape from storage jail.
Find secret chamber before chapter seven.
Kill 4 persons.
Kill 3 persons.
Talk to to people 10 times.
Kill Gene.
Kill Mary.
Use memory-erase 5 times.
Use memory-erase 10 times.
Collect 20 items.
Shoot 5 persons.
Take 20 pictures.
Break 50 objects.
Break 30 objects.
Break 20 objects.
Break 10 objects.
Run 26 miles.
Cycle 10 miles.
Find two ways to listen music from the music box.
Get spotted 5 times.
Let five people burn.
Play 20 hours.
Play 40 hours.