Akeytsu bugs and fixes

When parts of the mesh disappear when skinning
In Blender make sure mesh is

Triangulated

Normals facing right way (face orientation)

Merge verts

Mesh is around 1.5Mb – (larger than 3Mb seems problematic)

In Akeutsu try skinning with the Tree not full rolled out like this: It seems to skin all verts onto the Pelvis