1 weapon part for all lvl 3 weapons plz help me

[Yaz Comix37]

I only have the radioactive flashlight lvl 3 left and I need what looks like a crystal and I only need one can any1 help me if you can tell me the lvl and the difficulty thank you

[Threejok]

try playing through the levels again on the hardest difficulty

[Threejok]

and a crystal actually looks like a crystal i think you can get them in schools out in chater 3

[absolutehell]

isnt that piece in the jail cell?