 They also have a much more muscular figure, and often have stronger metapsychic powers.Unlike the Firvulag and the Tanu, hybrids are not poisoned by iron and are not as affected by Earth radiation levels, nor are they as likely to give birth to Firvulag or black-torc babies (Incompatible with the mental amplifiers known as golden torcs that allow the Tanu to utilize their otherwise latent metafunctions).The Firvulag (e.g.