FACTS ABOUT FIRBOLG DND 5E REVEALED

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 quickly went after him, managing to resist the identical compulsion, and Commanded him to "Halt", however the impact was only momentary and Caduceus tried to swim