Codex: Ophelian Empire

The Empire is small, when comared to other Galactic powers, but is perfectly capable of defending its territory from outside threats. The technology available to it is startling, not least after the Battle of Tarkhir, when some invading Eldar forces were held back bny the Empire's Praetorian Guard, clad in the Emperor's chosen colour, the purple looking regal and imposing colouring their armour.

Of course, it was certainly not a crushing victory. The troops, whilst highly trained, were certainly inexperienced, and were still adjusting to the new parameters of their bodies. Then the same virus that had affected them infected the Eldar, causing them to pause, and enter a seige strategfy, knowing that it would be a matter of time before they would see a ceasing of hostilities. In the end, the hybridisation that affected the Ophelians also affected the Eldar, and the Dire Avengers found themselves bereft of purpose. After all, they were no longer what they were, but different...

In the end, they managed to enter service, and show the Praetorian Giuard how to fight savagely but honourably. They entered their ranks, and reformed the warriors, ghiving them a code of conduct as well as a code of combat.

Centurues later, that Code is still adhered to.