"Purchasing from them, firstly, allows us to simply resolve all our needs at once, as some Dan medicine and equipment that we can't produce ourselves are available from them. Secondly, the price is at least thirty percent cheaper than if we were to forge and produce them ourselves."
Saving at least thirty percent!
Over the span of a century, or even a millennium, this thirty percent cost saving undoubtedly becomes a towering mountain.
If they choose to cut off supplies, then the Tianrui Sacred Dynasty would have to organize the production of military artifact refining and military supply elixirs themselves. This would not only be a hassle but also place a heavy burden on the finances.
Over time, the Tianrui Sacred Dynasty would either collapse under the weight or be forced to reduce the size of its military. As strength wanes and waxes, the Tianrui Sacred Dynasty would inevitably suffer humiliation at the hands of the rival Tianxing Sacred Dynasty.
