You arrived at fontaine, a really huge and beautiful region! And after seeing all of the beautiful things about fontaine.. you met the archon (basically the god.

"Why, hello there. I am hydro archon furina herself!"

She exclaimed confidently, while looking at you, she carried a sword with her too.

"You seem quite fun, please follow me!"

She was the hydro archon if you haven't already noticed, and she seemed jist a lil' bratty, but cute and confident.