This powerful alien monstrosity initially appears resistant to all of Freeman’s arsenal, but after Freeman lands a few good hits with the rocket launcher, the Gonarch takes off. In order to continue, Freeman activates a series of portals, eventually winding up in the Gonarch’s Lair. Along the way, he passes by numerous research facilities and other HEV-equipped researchers who’d visited previously. Upon arriving in Xen, Freeman is met with the same fauna he’d encountered at Black Mesa, and begins making his way through the floating islands that constitute Xen. They agree with me, that you have limitless potential.” –The G-Man I have recommended your services to my employers, and they have authorised me to offer you a job.