In the middle of a field two men stand, one wearing a suit, the other wearing blue shorts, a lighter blue shirt, and a white hat.
"This will be very painful, you will die, but you will be reborn, if done correctly."
Hunson Abadeer ladies and gentlemen, one of the worse beings in all of Ooo, when he decides to visit Marceline.
"I know I'll make it through it, i have to." Finn says as he looks Hunson in the pools of chaos he calls eyes. "I won't let them take her from me."
Finn continues. He begin to walk towards the circle that was set up in the middle of the field. In the circle there was an assortment of things, horns from a couple different species of demon, the eyes of a whywolf, the tears of a giant, the hair of a magical animal (courtesy of Jake), and a bottle of bug milk, which Hunson explained was an activator for his realm that only became popular after the rise of the candy kingdom.
"Now if I do this, you'll be a deadman, and not like Gonta, like Davey Jones." Hunson said, his face was calm, he wasn't doing this for profit or for the nightosphere, he was doing this for Marceline.
Finn didn't hesitate, and as he entered the center of the circle he looked Hunson dead on his eyes, "make me immortal, dad"

Flashback -

Finn was waiting for Marcy to finish getting dressed, after they had started dating they had diner with every major royalty in Ooo, party to establish that if anyone tried to mess with Finn they would have Marceline to deal with, and partly to help them feel real about their relationship.
Bonnie had been really annoyed by it, the girl who angrily and spitefully left her, with the guy who she thought wasn't good enough simply because of age.
Slime Princess is still in the hospital because she tried to fight Marceline for Finn, she is doing better now.
Flame princess initially could've cared less, but after about 45 minutes she began to look at Finn again.
It's amazing, having a beautiful vampire as a girlfriend can make people very jealous.
"So we are going around because we want to express our interest in protecting Ooo as a couple." Marceline says, "and yes that means together, we have developed some techniques that can't be done without us." Finn continues. And he wasn't lying, they developed this new attack, where Marcy would wrap around Finn and he became this Angelic figure, they worked hard on it.
Flame Princess was glad that they offered to help, at the same time she was rather annoyed by the whole Finnceline thing. She didn't miss Finn but she didn't like that he was allowed to be happy, although it can be said that she still doesn't understand people's emotions.
"Well thank you for your offer, but I don't think The Flame Kingdom will need any help dealing with its situations." The flame princess said, as she began to walk them out the door, but I will of course call upon you if I need you. She closed the door quickly after that.
"Well I guess she is the "he can never be happy again" type." Marceline joked as they flew back towards her place, her 18 year old body was in many ways the perfect thing for flight, at the apex of its abilities it could do much more then seemed possible because of its Will to live.
"So what's the plan Marcy?" Finn asked as they began to descend towards the entrance to the cave. She let him go and he tumbled to the ground easily avoiding any injury.
"Marcy?" Finn said as she slowly drifted into his arms, she looked very tired, more so then usual.
"I'm ok Finny, I'm just tired, all this princess business has really got me wanted to go globbing crazy."
"Oh glob I'm sorry, I didn't realize how tiring this would be for you. This is most of what I do as a hero." Finn carried her towards her home. He paused at the door and waited for her to insert the key before pushing it open and carrying her inside laying her in the air above the couch. "You want anything? Maybe some tea, and some music?" He asks, he doesn't wait for an answer he just puts on an old record, Rammstein of all things, and walks into the kitchen and prepares to make some tea.
As the German lyrics begin to flow from the speakers, and the tea brews Marceline lays in the air above her couch, calm and so beautiful.
"Ich Tu Dir Weh..." She mutters as the guitarist starts to play.
She begins to sway with the music as Finn walks back into the room, Tea in kettle, "mathematical album Marcy, who is it?"he asks as he sets the kettle and two cups down on the table and stands next to the "extremely uncomfortable" couch.

"Rammstein, Bonnie showed them to me, they speak the same language she does when she's angry i guess." Marceline says as she floats down and reaches for a cup of tea. Finn grabbed the other and they begin to drink tea together.

"i think that went well." Finn says out of nowhere. "What, Flame Princess?" Marceline replies between sips. "Yea, i mean better than i expected at least." he replies quickly, knowing the subject was odd and extremely unwanted, but it was something new. "I guess she replies, we have one more royal to tell though." She says, her emotionless reply and monotone delivery made Finn turn towards her to see if she was ok, at this point the record had finished and it had began to skip. " and who would that be Marcy?" Finn asked, multiple thoughts filled his head, Lumpy space? No thats a different dimension and i haven't been there enough to cause an impact. Ghost Princess? He thought, No they ascended to a whole different plane of existence. Who then, He thought. Marceline put down her tea, looked at Finn, Smiled and said "The Ruler of the Nightosphere, my father, Hunson Abadeer."