Talk:Nishikienrai/@comment-84.20.227.38-20180702170442/@comment-45.56.46.26-20180703053639

It says he didn't put a lot of work into customizing his appearance, so it's likely just "default half-golem" shiny metal which presumably contains flesh on the inside.

In other words, a robot that can bleed if you cut through the outer skin.