As a certain British Youtuber said, a giant pew-pew laser.
The goal is to use the spaceship to reach Mental and kill him, which will only happen in the sequel. Unless, of course, the spaceship crashes because of an accident, which would be so silly, ha ha ha...
Yet another foreshadowing of a secret level. You access at the very end of this level, just like the last time, but this time, it's way more sneaky and you REALLY need to be careful about it.

GAME: Serious Sam: The First Encounter
PLAYED ON: PC
DIFFICULTY: normal
LEVEL: Thebes - Luxor
DATE OF RECORDING: 2025/01/07