Black holes were always surrounded by turbulent seas of free-floating ambi, but getting close enough to gather it posed an obvious risk. For ambi traders, the risk was worth it, especially since it allowed them to charge a premium. As expensive as ambi cells were, they were the only thing that could power the Wayfarer’s interspatial bore. It was a necessary expense for a ship such as theirs, but one that always left Ashby looking a little gray afterward.