This is a guide on the Retrieve Chain Crystaloid Gamma directive in Soul Hackers 2. You can start it after completing Subway Line 14 during the main story.
Location: Arrow Sector 3F
Ideal Lv: 36
Reward: Fusion of Saki Mitama unlocked
Retrieve 8 Chain Crystaloid Gamma
Head to Arrow Sector 3F then explore the area, speaking to your scouting demons. Eventually, they will hand over the Chain Crystaloid Gamma. Once you receive 8, the directive will complete.