Oni-Nerus ★
Oni-Nerus ★ is a legendary one-handed cryogenic chakram.
Legacy of the night under Astera, this wrist-blaster is loaded with a special Lunar Chakram, quietly crackling with destructive energy.
Ingame
Radiomessages on pickup:
- You’ve just picked up an alta weapon, or an “energy tool”, as they call it. According to my database, these usually have an extended set of features. I suggest reading its description.
Sources
Can be bought from merchants:
Can be obtained from special items:
Can be obtained via 
Spawnable Item Pack or 