The River King Clues (yes, this is a story, I suppose)
So, after watching this video, I figured I'd piece together some story about the River King, in my perspective.
I was casually making my way down to the lower lane from the middle lane through the river because Ashe was couldn't quite get a grasp of what it meant to kill the enemy, and as I was doing such, I chuckled to myself for whatever reason and my laugh was answered back by a deep, rocky laugh; an evil one. I was standing just outside the Pit of the Dragon, so I figured it was the dragon laughing, mocking the pitiful sight of me. I took a stare into the dragons eyes, but I read no clues of mockery on it's scaly face. I continued travelling to the lower lane, passing the friendly river scuttler, and proceeded to help out in the lane. After I was finished helping out the lane, I traveled back up the river and I felt an eerie feeling cross me; a couple of shadows dash left and right in the water, then vanish from sight. I again heard the demonic laugh, and I shivered in fear. I ran for the closest bush I could find, only to come face-first with the King himself.
My teammates couldn't help me now.
That was just a story I felt like writing. Anyways, I was playing a game and I was heading through river and laughed for whatever reason (I honestly have no idea why), and much like in the story, my laugh was answered with another. Definitely not from another champion. I personally think this is a clue or an easter egg about the new champion coming out, the River King, much like Bard's "faces" that were found around the map.
Also, don't yell at me if this is on the wrong board. I'm sure myself that it is because it fits. It's a story, right?