Well, it varies. They don't have much power. In fact, they are little more than 3 feet tall. They have horns, clawed fingers and toes, a tail. They aren't as strong as a human, but they are good climbers and miners. You saw the picture. Something like this:

[img]http://pre14.deviantart.net/0f50/th/pre/i/2015/353/4/8/arjun_sitting_final_by_aristodes-d9kqrx5.jpg[/img]