Encounters can vary because of the shifting nature of the water and soil in the area. The Black Shore (of Dwindor Swamp/Scar Flow)The Black Shore has its own, safer, encounters that reflect its traveled nature. The encounters in Scar Flow and encounters of Dwindor itself overlap at times.
Know perils of the Black Shore are goblins of Dwindor (who generally just steal and chase off people), bandits, smugglers, giant snakes, alligators, swarms, Moorcats (very rare), disease, and the usual horrible mists and fogs.