This is a Dredy,a Dredy is a creature that serves the Dredic king as soldiers and assassins senice they do no speak,they are Dangerus creatures,and they might be sent to kill you! The red make on the chest is to simbalize there lost soul to the Dredic king to serve untill death,they have a sword of darkness on there back,with iron sholderpads and Darkness Gloves,a Leather Chestplate (Not allways) and green spidersilk pants. the only time you might here them speak is when you kill them and there soul is free and can speak.