Rockai

is a stone.
==Obtaining==
; Dropped by
* Bakazako
* Kaonashi
* Koumiho
* Madura
* Onigori
* Tsume-Bozu
==Uses==
; Used in the craft of
* Kaonashi Mask
* Koumiho Ring
* Onigori Belt
* Slayoover Tank
* Slayspirit Katana
* Tomb Geta