Our biggest questions heading into Stranger Things 4 part 2

polygon.com:

Stranger Things 4 part 1 is over, but the problems are just getting started. The new season of the Netflix hit went out on a climactic note, alternating between Eleven battling a powerful nemesis (more on that below) and Nancy facing more dire circumstances than ever before. So what do we hope Stranger Things 4 part 2 answers for us? We’ve got some starting questions here.

[Ed. note: This post goes into detail about the entirety of Stranger Things 4 part 1. Spoilers abound.]

The Big Bad of Stranger Things 4 is more than just a Freddy Krueger- and D&D-inspired monster. It turns out he’s also Brenner’s first test subject, One — also known as the charmingly creepy orderly helping El in her flashbacks and Victor Creel’s son, Henry. Growing up, One discovered his powers around the same time he discovered how little he cared for the lives of others. One started with torturing animals and terrorizing his family with visions before eventually killing his sister and mother in 1959 (and leaving his dad to take the rap).

He was then forcibly taken to Hawkins Lab, where Dr. Brenner implanted a chip into his neck that prevented One from using his powers after seeing his capacity for cruelty. Twenty years later, Eleven removed One’s inhibitor, thinking it was a tracking device and that the two were going to escape Hawkins Lab together. Once One regained his powers, all hell broke loose as he began committing the massacre we saw at the opening of the season. When El turned against him, the pair squared off and she pushed him into the Upside Down — likely unintentionally, as she didn’t have the same grip on her powers back then, nor did she even know what the Upside Down was. As One entered the Upside Down, he was transformed into the