The Hawkins massacre serves as the bloody cornerstone of Stranger Things Season 4, finally unmasking the series’ ultimate villain and connecting the dots between Eleven’s past and the Upside Down’s origin. The Truth Behind the Bloodshed
Eleven unknowingly frees Henry by removing the chip, leading to the slaughter of every other child and doctor in the facility. The Final Showdown [S4E7] Chapter Seven: The Massacre At Hawkins Lab
As Henry is pushed into the "hellscape" dimension, he is struck by lightning and mutated, officially becoming Vecna . Convergence of Timelines The Hawkins massacre serves as the bloody cornerstone
While the lab massacre unfolds in memories, the present-day Hawkins crew discovers the "Water Gate" at the bottom of Lovers Lake. it was a power dampener.
The chip in Henry’s neck wasn’t for tracking; it was a power dampener.