Druwp was a slave in Badrang's possession - yet Druwp was a villainous, sneaky slave. He believed in inferior creatures and believed bosses should rule over them. He reported to the captain of the guards, Hisk, about rebellions and betrayed his fellow slaves. Druwp sold out the slaves about their plan to arm themselves against the horde, by telling Badrang that Martin and the others had escaped from the pit, and then telling Badrang about the slaves' weapon pit. But when the enemy found no weapons, Badrang had Druwp beaten. Druwp hadn't realized that an otter, Keyla, had watched him watching Tullgrew the otter bury the weapons; so Keyla just dug them up again and reburied them. Druwp continued serving Badrang after his failure, but was watched closely. Afterwards; Brome and Felldoh, two of Martin's friends, returned and freed the slaves under guise of an acting troupe. They were successful, but Druwp threatened Felldoh with punishment and threatened to report him. Felldoh threw his spear and killed Druwp.

As Druwp was a bankvole, and not a vermin, he was not an immediate villain, he was one of the few "woodlander" villains of the series.

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