On that day, a rumor spread within the tribe, saying that Theron ended up like that because his family was closely associated with the cursed Sub-Beast, Kaelen. As the rumor passed from person to person, everyone felt that it was highly convincing.
Just look at Walter; he was born prematurely but had lived a lively and active life for many years, yet the moment he became friends with Kaelen, he met a premature end. Then there was Icarus's family, saying something about Kaelen being an envoy sent by the Beast God to help Icarus heal his leg. Oh, well, the leg was healed, but he lost a son in the process.
