Vin Diesel has revealed another photo from the set of Riddick and writes:

"Being king has it's perks... yet an alpha Furyan, must return to his primitive state... that animal side. RELATED: Vin Diesel Hypes Riddick 4 Shoot: Furya May Be Closer Than You Think

(low rumble)

GRRRRR...

P.s. An early pic from the set of the new Riddick film."

Vin Diesel on the Riddick Set