The bad we used could achieve breakthroughs for 4-5 people. Yes you could easily fill up a bag and do multiple journeys without moving from your launch positions.

That's a great idea Snozz but could be a very large range depending on size of the bag, ratio of enhanced leaf or changa, and amount loaded into the massive chamber. I could see easily fitting a dozen breakthrough doses in a single bag easily. Its a very interesting and unique method.