Awesome, although it is not accurate
It takes multiple seconds to breake a wood block.
He didn't make get iron for a sword.
It takes 3 hits of a iron sword to kill a blaze
It takes at at minimum 50 hits (all critical) to kill an ender-dragon
It takes 2 seconds minimum to go through the nether portal
The maximum ender pearls you can got from an enderman is five, with looting three
So he couldn't have not cheated
The max blaze rods you can get from a blaze is about five, with looting three
So where did he get looting three
The most ender eyes that can be naturally placed in an ender portal is 7, unless you use the seed where the world code glitches and puts in twelve but theres a 00.0000000... percent chance of that heppening. So it would almost have to be a set seed, which means it couldn't be the world record.