Black Herons Island is the island lair of Black Heron where she tried to recreate an ancient potion that could give soldiers incredible bouncing abilities. She was foiled by Scrooge McDuck and Agent 22 only to try the same scheme again years later. Once again she was foiled by the duo as well as Agent 22's granddaughter, Webby Vanderquack. It first appeared in the DuckTales (2017) episode From the Confidential Casefiles of Agent 22!.