SCP-5000 Blackhole

Item #: SCP-5000

Object Class: Keter

Special Containment Procedures: SCP-5000 is impossible to contain due to its nature, it cannot be moved from space to a facility (It doesn't work like that). Only personnel with level 4 clearance are allowed to go in SCP-5000.

Description: SCP-5000 is a blackhole in the middle of the universe, all subjects who enter it go to another universe, all subjects who return get mental problems and begin to act like they just drank too much owcahall, SCP-5000 leads to a building made out of bricks with mold on the walls. Subjects claim to see figures inside the building, they describe them as humans wearing black with gas masks on.

Figures inside SCP-5000 have been named SCP-5000-1. SCP-5000-1 instances will become hostile when seeing a human, subjects report seeing flames coming out of their fingers, and hands.

Addendum: SCP-5000 was discovered during World War two, from two astronauts named [REDACTED] and [REDACTED].