Stygies System
From Warhammer 40k - Lexicanum
The Stygies System is a system of Imperial space.[1a]
In M41, the system was attacked by a Space Hulk, designated the Captor of Sin, that was crewed by Chaos Space Marines.[1a][1b] The Fire Claws Chapter sent a task force led by Epistolary Decario to cleanse the hulk, aided by the Inquisitor de Marche.[1a]