Changes

Since its discovery, the [[Boros|Boros system]] has been heavily fortified and staunchly defended by the Imperium thanks to the strategic value of the stable wormholes that directly link it into the [[warp]] that link . For ten thousand years, the forces of [[Chaos]] have attempted to it directlytake control of the system, but every invasion had been repulsed until a massive force of [[Word Bearers]] assaulted the system some time in M41.