Fresh speculation over Iran’s leadership has reignited after unverified reports claimed Supreme Leader Mojtaba Khamenei was in critical condition, while an undated video released by Mehr News raised new questions instead of ending them. With Mojtaba largely absent from public view since February, attention has shifted to Iran’s constitutional succession process and the powerful figures who could shape it. From senior clerics to Hassan Khomeini and even the Islamic Revolutionary Guard Corps, who could emerge if another leadership transition becomes unavoidable—and what would it mean for Iran’s future?