The group known as Desert Coral never clearly state what their intentions are, but they primarily seem to be together in order to destroy the Elphis, a sadistic semi-immortal race that lives in the 'superior levels' of Orgos.

By means of improvements upon Velantian thought-screens the three destroyed a group of the Overlords of Delgon, a sadistic race of monsters who had been preying upon the other peoples of the system by sheer power of mind.

Maybe one truly insane, sadistic race, a race bent on wiping out everyone but themselves.

The Belarus novels introduce the concept of the "Enemies", a sadistic humanoid race at war with human colonists in a distant future.

He is constantly trying to show that humanity is some pathetic, barbaric, violent, sadistic race.

The main thread in Excession (1996) is about some Minds' attempts to foil a plot by other Minds to provoke a war with a rapidly-expanding and revoltingly sadistic race.

The derro are a strange and sadistic race; they are clever, stealthy, and murderously insane.

In this episode, the crew of the Enterprise encounters an ageless and sadistic race of humanoids with the power of telekinesis and who claim to have organized their society around Ancient Greek ideals.