Original sentence: Mukpo recent biography, Trungpa ultimately regretted choosing Tendzin as his heir (at one point calling him "a disaster"), and talked to her about stripping him of his role, though Trungpa died before taking any concrete steps
Edited sentence: Mukpo recent biography, Trungpa ultimately regretted choosing Tendzin as his heir (at one point calling him "a disaster"), and talked to her about stripping him of his role, though Trungpa passed away before taking any concrete steps