Talk:Riku Dola/@comment-58.166.220.129-20180805041020/@comment-2A02:C7F:3038:6300:4CE1:2DCB:A499:3C-20181212185038

Yes. The Black Ash Syndrome was what killed him, it wasn't related to the suniaster. It's actually likely that Riku's proximity to the Suniaster meant that he was already the One True God, and he created Tet in that instant before he died.