Editing Lone Echo Speedrunning Guide (section)

==== Reactivating Antimatter Reactor ====
'''Non-OOB Route:'''
After reprogramming the core in the room with Liv, clip into the tunnel through the door by hooking an item onto the handles beside the door. Then the route to and from the reactor is just the intended route (but with more headbutting and clipping through doors instead of waiting for them to open).

'''OOB Route (currently saves around 1 min):'''
After reprogramming the core in the room with Liv, clip out of the room to the left of the tunnel entrance that you would normally leave through. Fly along the short tunnel, and fly under the larger perpendicular tunnel area. Keep going until you hit the next tunnel area, then fly about 15deg to the left below the area. You are looking for an arrow that appears above you (placeholder for image), leading to the long tunnel full of biomass. Fly along the tunnel, remaining close enough to load the next sections of the tunnel. Once you get close to the end of the tunnel, stay close to the inbounds area as possible and look to the left. The lasers in the reactor room should appear. As soon as they do, fly directly towards them. The objective is to get into the reactor room before it fully loads. The spawning of the lasers marks the start of that loading, since you can’t go there directly without hitting the load point.Once in the reactor room, recharge the generators like normal.

It is possible to clip out of the reactor entrance area through a gap in the floor, but getting all the way back to the room with Liv is not yet consistent. The long biomass-tunnel has the benefit of not being active if you are oob, but the rest of the level is active.