What is the Zoroastrian concept of divine glory?

The Zoroastrian concept of divine glory is called Khvarenah.

Khvarenah is an Avestan idea of radiant, divinely granted power or splendor. In many contexts it represents the sacred legitimacy that enables a worthy ruler to govern justly, win victories, and uphold cosmic order. In later Persian tradition, the related form farr or khwarrah became especially associated with royal glory and divine favor.

The concept is not simply a decorative crown or visible light. Khvarenah can be understood as a spiritual force that may be possessed, transferred, or lost. In Zoroastrian stories, rulers who abandon truth and justice can forfeit it. The Avestan Yashts describe several forms, including the glory of the Kayanian kings and a wider glory connected with gods, heroes, and the Iranian people.

Readers sometimes confuse Khvarenah with Asha, which means truth, righteousness, or cosmic order, or with Daena, the personification of religious conscience and insight. Khvarenah is related to those ideas but specifically emphasizes divinely empowered splendor and rightful authority. It also survived beyond ancient Zoroastrian texts as a major theme in Persian royal legends and epic literature.