Gathering of the kings I
When he opened the tea houses, he planned to bring the old woman in Korrinth who sold the tea to Arrora in the first place. According to Arrora, the old woman didn't have a shop as she was selling teas on the roadside where most of the people would simply ignore her and mistook her for a beggar.
A house and a pouch of gold coins would be enough to make the old woman stop selling teas and settle down in Agoria without opening her mouth about the recipe because apparently she was the only one selling tea as far as Joel could tell.
Year or two ago, Don would have not thought this much about a simple drink but now he had to think about every little thing and take every step with great caution, a simple kill and vanish or steal and disappear strategy of his and Knight wouldn't work anymore in this world or at least, that strategy couldn't provide long term benefits.
"Tell our men to get ready, we should resume our journey in a few minutes"