The Death Star vs. SCP-2399 (Star Wars vs. SCP Foundation)

SCP-2399: Fan Interpretation by StellarTrueDude on DeviantArt

SCP-2399 A Malfunctioning Destroyer (SCP Animation)

SCP 875, also known as War Criminals, - SCP Declassified

Archons (SCP Foundation)

The Factory Villains+BreezeWiki

Old Gods (SCP Foundation)

The Prototype, the Symbiote, The Scarab, and the E.V.O - Spawn visits Alagadda - Wattpad

How big is SCP-2399, and what would happen if it arrived to Earth? - Quora

SCP universe solar system appears in Warhammer 40k surrounded by pretty much every single faction, SCP earth has 200 years to prepare for invasions, all factions of SCP earth unites as one