Here is the full list of all 29 Lucah: Born of a Dream achievements.
Defeat the Harbinger
Complete sacrament iii.
Give up your Familiar
Find all Mantras, Virtues, and Familiars
S-rank all arena fights
Pet all Familiars
Reach a non-Corruption ending on Hard Sin & Punishment
Reach a non-Corruption ending on Challenge Sin & Punishment
Complete Track 9
Complete sacrament vii.
Defeat Thomas
Complete sacrament iv.
Become Corrupted
Complete the arcade game
Choose to fight The Hollow
Ride the subway to the final station
Save Michael during The Hive
Begin New Game †
Complete sacrament i.
Complete sacrament v.
Complete Track 8
Complete Track 7
Complete Track 6
Complete Track 5
Complete Track 4
Complete Track 3
Complete Track 2
Complete Track 1
Complete Track -1