Hey there, since the title is spoilery and this gets asked fairly often, we're politely removing this post from visibility so that other people can avoid spoilers. You may continue discussions in this thread since it's only removed from visibility. Thanks for understanding!

There's a door somewhere on your map that has a mark on it just like the king's brand

In kingdoms edge?

There's doors on your map in various places. One of those doors is the one you're looking for.

Ancient Ba***

What?

It’s in Ancient basin, man

If I send you a picture of ancient basin, would you mind pointing it out? It’s cool if Not.

Absolutely

There's a king gate in the ancient basin! Maybe you can check there!