In the span of a few weeks, a developer named Rohan Varma asked an artificial intelligence to build RuneScape, and it did — well enough to draw thousands of players before the original's creators, Jagex, asked that it be taken down. Elderwood Realms existed at the precise boundary where machine capability meets the long-established human architecture of intellectual property. Its brief life and quiet disappearance raise a question that will not disappear with it: when an AI conjures something from the spirit of an existing work rather than its stolen parts, who owns the echo?