Soyon is executed by the way of the Touda after the Duke's Kibas die. Erin jumps into a lake full of Touda in an attempt to save her bleeding mother, but her mother has her whisked away to safety while she is eaten alive to atone for her sins.
click here to see where to watch or .
Ready to Watch Kemono no Souja Erin, Season 1, Episode 7?