Bone Shrinking Gu turns a Gu Master into a dwarf so earth burrowing costs less energy when drilling tunnels.
Some earth burrowing Gu Masters use it, the way flying type Gu Masters hollow their bones to reduce weight. ch. 299
Owner
No cited chapter names a holder or a fight that uses Bone Shrinking Gu.
Connections(1)
0 later connections are veiled.