AS Monster Bonus Infomation Correct?

[lemekim]

They may not be allowed to spawn RANDOMLY. Superuniques like Bonebreaker and Bone Ash(I think) are MR in Normal.

It was a beetle type, so it might have been Bettleburst, but it may not have been =\ He was green colored, and I don't know if beetleburst can be green? Shame I didn't take screenshot.

[AtomicKitKat]

BB shows up in the Far Oasis. So very likely it was him you saw.