Does it enhance his body?
Does it do something on the microscopic, or macroscopic scale?
Is he less easily hurt in his jobs because of it?
Is it a manipulation type?
An enhancement type?
A mimicry type?
Kinetic mimicry?
A DNA altering type?
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn