There is no such thing as a free lunch in the world; if there seems to be, there must be a benefit you're unaware of.
Gaven didn't beat around the bush and straightforwardly said, "I want the authorization for your Heart-Viewing Cocktail, allowing me to teach others this mixing technique and to mix and sell this cocktail in other places."
Of course, Felen had no such thing as rights protection.
Gaven's approach was purely to avoid making an enemy of a powerful former Adventurer, and when he could exchange benefits for what he wanted, he did so openly and legitimately.
This proposal completely caught Krewen off guard. He had seen all sorts of strange deals in his life, including trading with Souls, but he had never heard of buying an agreement with money.
His capacity for understanding was also extraordinary; he instantly grasped the intentions of the young man before him.
