The most deadly adversary is the one who considers you less of a threat than the environment that they live in every day. The Fremen live in the deep deserts of Arakis, conserving water, living on Spice as their sustenance. They are a race of hardened killers, armed with the weirding way taught to them by Muad'Dib and his mother.
From left to right: A fremen, Stilgar, Chani, Lady Jessica, Otheym, Reverend Mother Ramallo.
Paul Atreides was forced to make a difficult decision. His family, dead, and his rule thwarted by the Atreides rival House Harkonnen, Paul decided to embrace the Fremen myths concerning himself and his mother, in order to gain an army strong enough to destroy his rivals and their alliance to the Emperor, Shaddam Corrino IV.