Dragons: Riders of Berk Season 5 Episode 5 - Buffalord Soldier Episode Title:Buffalord Soldier.Episode Description:Astrid finds a drifting ship while out on patrol and becomes sick with a deadly plague called 'The Scourge of Odin,' upon infection from the dying crew. The only known cure is a solution made from the saliva of a Buffalord, a dragon hunted to extinction centuries ago. Using copied notes from the Dragon Eye, the riders locate a living Buffalord, but it refuses to leave the island where it lives. The only solution is to bring Astrid to the Buffalord, but Viggo also arrives revealing he infected his own men to get the riders to lead him to the Buffalord. Hiccup reluctantly lets Viggo leave with the Buffalord in exchange for the cure, but as soon as his ship leaves it fights back forcing the Hunters to release it. Astrid is cured and the riders offer words for the deceased sailors.