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Warhammer 40k - Lexicanum β

Tenebra Subsector

The Tenebra Subsector[1]

The Tenebra Subsector is a subsector of Imperial space, located in the Caligari Sector in the Segmentum Tempestus.[1]

Overview

Tenebra includes some of the oldest worlds in the Caligari Sector, with some of the planets being colonised as early as the Dark Age of Technology whilst others were claimed during the Great Crusade and it is rich in ancient technology.[1a]

As the region is relatively free from Warpsurges it has allowed a lengthy period of growth and progress with only a dozen systems lost or cut off from the Imperium. For a considerable amount of time the core Tenebra worlds remained relatively peaceful and important, but the shift in the power structure in the expanding sector eventually left the Tenebra Subsection overlooked and forgotten.[1a]

Known Systems and their worlds

Sources