AI tools like Midjourney and Scenario now let game teams test scenes in an afternoon, accelerating previsualization—a process that has aligned teams around a shared vision for decades. Before full production, developers need to evaluate atmosphere, camera direction, and visual style, which previously required concept artists, animatics, and moodboards. A previz pass that once took a concept artist a week now takes an afternoon of prompting and picking favorites, and it does not require an artist to start. The clearest recent example is *Shores of Vaelithar*, whose creator, an X account posting as Desimulate, shared a five-second Midjourney clip of a foreboding castle down a forested path that unexpectedly blew up online, then turned that reaction into an actual indie studio.