S.D. Locke's Proposal of SCP-001, called "When Day Breaks" is the designation given to the Sun, after an event on [SYSTEM ERROR] Data lost: ec172. Contact SysAdmin. resulting in ~6.8 billion casualties within the first twenty-four hours. The SCP-001 effect does not seem to result from exposure to ultraviolet rays, but rather light in the visual spectrum (~390 to 700 nm). The effect is similarly present in moonlight. SCP-001 "When Day Breaks" is an Apollyon Class Entity.