Most of this was part of a dream I had  (It was pretty much this but in anime style, I don't even like anime)

Jesse, Petra, and Radar ran towards the portal, their armor broken and battered, their exposed clothing ripped, and soot all over their faces.

"I'm going to scout ahead in case any hostile mobs are on the other side. Stay safe, okay." Jesse said before going through the portal.

"Radar, go through the portal," Petra instructed. "I'm going to fend off these mobs so they don't get to the OverWorld."

"Wait," Radar caught her attention "I want to do this."

"You're not staying. You're going to get killed if you do."

Please, let me do this Petra. This is my time, I know it." Petra thought for a second. "I know how much Jesse cares about you, I don't want him to be heartbroken if he finds that something happened to you."

Petra sighed. "Alright, fine, but come right out as soon as you defeat all these mobs."

Radar nodded. Petra went through the portal. He grabbed his diamond pickaxe and in one strike, he mined a block of obsidian, deactivating the portal.

Behind him the cries of a ghast could be heard. He put his pickaxe. "Alright ugly, you wanna party,"  he said, summoning his shield, "Let's dance." He drew his diamond sword.

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On the other side of the portal, Jesse was impatiently waiting for Petra and Radar to come out of the portal. Petra came flying out of it, landing on her face. Jesse helped her up.

"Thanks," Petra said.

"No problem... Um... where's Radar?" he asked.

"He should be coming out of the portal anytime now" she responded

The two looked towards the portal. It deactivated. "No!" The shouted simultaneously.

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Having mined most of the portal, leaving the corners where it originally spawned, and having slain the ghast, Radar finally found a safe spot to build a new portal, replacing the corners with netherrack.

Realizing he had no way of lighting it, he went to fing a ghast in hope it's fire charge would activate the portal.

Around the corner, he heard it's cries and caught its attention. he ran towards the portal, the ghast chasing behind him. He ran in a zig-zag pattern to avoid it's fire charges.

He stood in the middle of the portal frame waiting for the ghast to shoot it's fire charge. It shot at him and he ducked out of the way. The portal activated, he came from behind the ghast and shot an arrow with a bow he had got from a skeleton.

The ghast poofed into a puff of smoke and dropped a ghast tear. He picked it up and ran into the portal before he caaught the attention of any other mobs.

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See how this ends on day 4 of the 365-day MCSM Challenge

#sorrynotsorry