Short answers, pulled from the story.
The Hebrew text describes the weapon as the lahat chereb, which translates to the flame of the whirling sword. This phrase has sparked centuries of scholarly debate regarding its true nature as a physical weapon or a metaphor for lightning.
Dumah is a figure often overlooked in mainstream theology who is described in Isaac Bashevis Singer's 1964 collection Short Friday as a thousand-eyed angel of death armed with a flaming sword. This depiction transforms the sword from a static guard into an active agent of mortality.
Snorri Sturluson describes the giant Surtr in his Prose Edda as the one who rides first with fire burning before him and behind him. Surtr wields a sword that shines with the sun of the gods of the slain to set the world ablaze during Ragnarok.
The Dyrnwyn, or White-Hilt, stands as one of the Thirteen Treasures of the Island of Britain and belongs to Rhydderch Hael. When drawn by a worthy or well-born man, the entire blade would blaze with fire to reveal the true nature of the person who seeks to wield it.
Kalki is the prophesied tenth and final incarnation of the god Vishnu who rides a white horse with a fiery sword. The Puranas describe Kalki as the avatar who rejuvenates existence by ending the age of darkness and restoring the cosmic order.
The sword is depicted in the right hand of the Buddha Manjushri in T'hangka paintings within the Vajrayana and Tibetan Buddhism traditions. It serves as a symbol of the power of wisdom to cut through the darkness of ignorance and reveal the truth of existence.