Ever since Nika met Uriel she had big expectations of him but, somehow, he had managed to always surpass them. At first he was nothing but a kid who didn't have enough courage to look her in the eye, but he was way more respectful and considerate than any of her former employers. Not just that, he also learned really fast and grew at an unparalleled speed to the point where she couldn't recognize him as the same person anymore.
While it was true that his attitude became a bit colder than it used to be, it could be seen as a sign of maturity and she was really excited to see how far he could get. By creating a company she ensured that, not matter what happens in the dungeon, their rights will be respected regardless of Uriel's rank and by joining him, she would be able to accompany him all the way.
