(SPOILERS FOR THE FINALE!)
Finn woke up in a dark, black room.
He looked around, confused about where he was. "What the heck is going on?" He asked himself aloud. He took a few steps forward before the land changed to a grassy field.
"Oh, this is where I fought Fern," he said to himself. "But... Fern's not here."
Just as the words left his mouth, he was kicked to the ground. "Oh my glob!" He gasped, spinning onto his back to face his attacker.
His eyes widened as he saw who it was. "F.... Fern?!"
"Hey Finn," his grass double replied, wearing a smile on his face. And his eyes... They were like that little grass demon he had fought in that weird nightmare world.
Finn kicked Fern away, knocking him into the grass. He quickly got to his feet and took a step back. "Look man, I don't want to fight you again."
Fern hissed at him like a cat and lunged at him again, sword in hand. "You should've just stayed with the dirt and trash," he snarled. He slashed at Finn, who managed to dodged ju