WHAT DOES DROW ROGUE DND MEAN?

Fjord recognized a torchbloom tunnel entrance within the cavern at the rear of Heaven Falls. Caduceus joined him and was overtaken by an intense compulsion to swim into the tunnel. Fjord instantly went right after him, managing to resist a similar compulsion, and Commanded him to "Stop", but the effect was only momentary and Caduceus made an effort