Olympia Majoris

Olympia Majoris is the Ultima chart-name for Perturabo's mountainous home region, the sector-tier pin that holds Olympia itself. Olympia was a world of city-states and fortresses until the Lord of Iron razed it after a Word Bearers-backed revolt and later millennia scoured the wreck into a perdita wasteland.

The IV Legion's culture was baked in these mountains: siege, spite, and a primarch who treated his own cities as problems of geometry. After the purge there is no living Iron Warriors recruiting world here. The pin survives because Perturabo's origin is a place on the Occident Declining maps, not only a fortress in the Eye.

Olympia Majoris still matters as the IV's grave-home. Unofficial fan summaries keep the ultima-segmentum-occident-declining parent and do not invent an olympia-system row underneath this sector pin.