The Wine Hermit's house wasn't built on an oak tree. Instead, it was built around an oak tree, with a giant courtyard in the middle where the oak tree was.
There was a small shop on the outside, with a waiting line of about four people.
Once Jax and Neeva got there, Neeva stepped up before him so she could be first.
"Sorry," she gave an apologetic look. "But I need to get some wine back to the tavern as soon as I can. Those rowdy men will riot if they don't get their wine."
Jax chuckled. "That's alright. I'm in no hurry," he said. "But are you sure you can carry all that wine by yourself? If you wait around for a few minutes, I can help you carry it as well."
"No, that's fine. It'll be a small jar anyway."
"Small?" Jax asked. "How small?"
"No, no. The wine we get here is very concentrated. If you were to drink it as it is, you would most likely die. What we do is dilute it with around 15 parts water to 1 part wine, which makes it properly consumable."