How to create the nether portal in Minecraft(speedrun method)
Things needed.
Lava pool
Water Bucket
6 blocks that won't burn
Instruction
Place a block inside the edge of the lavapool and the water to otherside of the block to create obsidian. Then mine the block away to create this stucture.
Add 4 blocks that create an upside down L shape at the behind the right obsidian block and two blocks that is lay down behind the left obsidian.Place the water on top after taking the water back.
Use the bucket to get lava and place it to create a nether portal.Finally, use flint and steel to create a portal