Board Thread:Wikia Discussion/@comment-27279544-20170528163214/@comment-28526248-20170617141745

PunPunPunyama wrote: It's good even if they are different types or SR because you can use them as skill upgrade materials, so keep them all and never get rid of them because later you will thanks the RNG gods that you found them, so you won't need to get those Fury pebbles/stones...

@Hachiryu

But at least you have a Narumeia hiza makura/oppai makura tho ah.. so they can use for skill upgrade materials..? weird.. i never know about it.. so i just need to upgrade my main weapon using those SR weapon right..? （´-`）.｡oO( ... )