That sounds cool, but I don't remember it at all and suspect it came later. Verant didn't even add support for food/drink having different durations based on type until the end of the classic era (AFAIK P99 still hasn't implemented them yet).
Therefore, I'm skeptical that they implemented zone-based duration differences any earlier ... but like I said that sounds cool (not just for deserts but also for places like Skyfire Mountains), so I hope that I'm wrong ... or if I'm not, I hope they one day implement it as a custom feature.
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