, effectively erasing the timeline of the first two seasons.
: While one Barry fought Zoom, the "remnant" sacrificed his life to power down the pulsar device. [S2E23] Holy Crap
If you want to dive deeper into the aftermath of this episode, I can provide: A summary of the arc in Season 3. A comparison of Zoom vs. Reverse-Flash as villains. Details on the Real Jay Garrick (Earth-3). Which of these , effectively erasing the timeline of the first two seasons