Surge of Light is a Wrist Rune added in Phase 3 of WoW Classic ... planning to kill it with Holy magic. Depending on your level, you may need a fellow Priest or a Paladin to help you out.

A detailed guide on how to find the Seal of Martyrdom Rune in World of Warcraft Classic: Season of Discovery. Engrave your chest with the Seal of Martyrdom rune: Fills you with holy spirit for 30 ...