There is a secluded park would be very pretty, except for how it is very much on fire. It's been like this for a while; if anyone's counting, it's reaching hour seventeen.
The sixteen year old glances at the source of the noise, considers it, then decides that after seventeen hours of dancing with an agony hurricane he doesn't care enough. He flomps to the ground to swear some more.
"Fucking damn it, I had to go be responsible. Responsibly irresponsible. Ugh." He rubs his face, annoyed, then growls again, quietly.
He decides to stop wallowing in favor of glancing grumpily at the source of the laughter. "Hello. Your majesty, I presume?"
If he hadn't just been tangoing with the agony hurricane he would probably have a better answer to that. As it is, he's not feeling very eloquent.
"Who else would be watching me set myself on fire, then laugh instead of looking at me like I've gone mad. Hi, would you have just killed me during if I'd gone for Land, Sea, and Sky too - nevermind, don't answer that, it'll just piss me off more if the answer's 'no.'"
"There isn't a way I could get around it, either. I couldn't - I don't know, make an alliance with other magic people and assassinate you with our combined powers, or something. You're just immortal, you'd win. Best I could do is be a huge annoyance for a while, which: no, that sounds stupid. Because, and now we move on to my second point, I have actual things to lose, and if I annoy you too much you definitely have space to escalate beyond just flat out killing me."
"If I'm motivated I can definitely be annoying enough to earn serious escalation, so it's important for me to realize that doing that thing has consequences. Putting aside whatever the hell you could even do to me with omnipotence and a grudge, there's all of the petty things you could do to my family. I don't really know if you'd go there, I just met you, but you'll excuse me if I would really rather you not ever touch my parents or my little sister to get to me."
"I'm not a random acts of chaos kind of guy, if I disrupt things it'd be for a reason. Most of the things I could disrupt with magic would be better handled without; I could go on a big dramatic crusade to end slavery, I guess, but then you kill me and we're back to square one. No actual change."