First, "Satanophany" isn't a real manga I know of, so it's probably a fictional title they want me to create a story for. The user mentioned "raw chapter 280" and "read next chapter 281 work," so they’re likely looking for a continuation from chapter 280 to 281, similar to how manga chapters are released.
The answer came in the form of a letter, delivered by a raven with crimson eyes. satanophany raw chapter 280 read next chapter 281 work
Before Kael could react, the ground split, and a surge of infernal energy engulfed him. The Erythral Veil shattered, and time froze. First, "Satanophany" isn't a real manga I know