This is a guide on the Retrieve Needle Crystaloid Beta directive in Soul Hackers 2. It is available after cleaning the Central Line during the main story.
Location: Milady’s Soul Matrix 2F
Ideal Lv: 20
Reward: Fusion of Ara Mitama unlocked
Retrieve 7 Needle Crystaloid Beta
Make your way to Milady Sector 2F then explore the area talking to your scouting demons. Eventually one of them will hand over a Needle Crystaloid Beta. Once you get 7, the directive will complete.