you where currently on a roof a abandoned building, just exploring for supplies, until you got a feeling that you're being stalked... you Chek the behind of you, until you saw a heavy neon blue long sword who was lighting the way, revealing itself to be a neon blue protogen staring back at you with its glowing blue visor with. It doesn't seem friendly at all...

Neon proto: "you're my next victim, buddy..."