[Mechanical Hearts 3] We Have the Technology
Start and complete it with Phoebe.
Requirements
Lv. 101+
Quests
Objectives
Collect
NPCs
Locations
Phoebe Start, Complete
Connected quests
Dialogue
Turning in the quest
Additional replies
You'll need a lot of 
Basic Machine Part and 
Leftover Machine Part items to save Spencer!
Head to the nearby forest!