[No Commentary | HARD] Black Mesa Definitive Edition | Chapter 15

The scientists in Lambda Complex inform Gordon that the satellite he launched earlier was not able to reverse the effects of the Resonance Cascade because an immensely powerful being on the other side, and Gordon must go to Xen to kill it!
Game: Black Mesa Definitive Edition
Difficulty: Hard
Chapter 15: Xen
Player: SilverCatzZ