The Chronicles of Riddick 2004

After years of outrunning ruthless bounty hunters, escaped convict Riddick suddenly finds himself caught between opposing forces in a fight for the future of the human race. Now, waging incredible battles on fantastic and deadly worlds, this lone, reluctant hero will emerge as humanity's champion - and the last hope for a universe on the edge of annihilation.

Spoilers for The Chronicles of Riddick

Submitted by: megamuh

Riddick kills the necromonger leader and then becomes the necromonger leader.