Talk:Bloodbending/@comment-5271392-20120712103630/@comment-4909774-20120712203340

Katara Used Bloodbending on the captain, who likely spread an embellished rumor about the occurrence, then the Water Tribes couldve gotten wind of it. It is also likely that, over the course of seventy years, people heard tell of Hama's ability and sought to utilize it, and it possibly could've been written in the stories of Aangs travels that Jinora mentioned.