A camera sweeps under a ruined bridge, rises above a tower and follows a figure across the roof. The sequence could introduce a compelling game world. It could also suggest that players can fly, climb or cross spaces that the game does not actually let them enter. A concept trailer creates expectations through movement, even when nobody has written a feature list beside it. When planning with an AI video generator, write down who controls each movement before requesting the scene. The camera may travel somewhere a player cannot. That can be appropriate for a cinematic introduction, provided the result