This is a Kingmaker sandbox.
The major powers have an unsteady treaty. To bolster their position and give themselves more allies, the High Elves of Galadran have decreed a charter will be given to those brave enough to attempt to tame the river wilds. The High Elves own this land but have never attempted to settle it passed the Dragon's Fangs mountains. Any band bold and strong enough to survey, hold, and manage the lands will have their own kingdom. Those that fail will most likely die in the attempt.
Does our band have what it takes, or will a TPK be a spectacular end to all this?