If I think along the line of B5's technomages, Gandalf's staff is his cyberdeck. It has everything built into it, with a verbal and touch interface to access it

If I think along the line of B5's technomages, Gandalf's staff is his cyberdeck. It has everything built into it, with a verbal and touch interface to access it. All he'd need is a small, highly directional speaker built into his cloak or hat, and he'd be set. "You shall not pass!" "Initializing scan. Acoustic scan of bridge indicates significant brittleness in materials. Initializing directional vibratory motivators to further destabilize bridge materials."