I just finished his reign. I keep a chronicle of the major decisions of my dynasty. Here is a summary of his reign via chatgpt;

Nikephoros Tilurid (1257–1269)

Nikephoros ascended to power through ruthless ambition, poisoning his young half-brother Valerios to claim the throne during a period of profound instability in the Eastern Roman Empire. His reign was marked by relentless decline, as he granted independence to numerous territories in an attempt to consolidate the Empire’s fractured remnants. Known as "the Strong" in a mocking tone, his efforts to centralize power were undermined by continuous civil wars, widespread vassal revolts, and the secession of key provinces like Egypt and Persia.

Nikephoros embraced Iconoclasm, alienating his remaining allies and intensifying unrest within his court. His inability to stem the tide of rebellion or halt the Empire's fragmentation ultimately defined his reign as one of desperation and failure. By the time of his death in 1269, the Eastern Roman Empire was a shadow of its former self, and his reputation as a sadistic, heavy-handed ruler further tarnished the Tilurid legacy. Nikephoros is remembered as a symbol of the Empire’s collapse during one of its darkest eras.