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