Marneus Calgar

Marneus Augustus Calgar (pronounced Mar-NAY-us Cal-gar) is the current Chapter Master of the Ultramarines Space Marines Chapter, Lord Defender of Greater Ultramar and the Lord of Macragge, capital world of the Realm of Ultramar in the Eastern Fringes of the galaxy. He is believed to be the first known Firstborn Space Marine to undergo the arcane process to be transformed into an even more potent Primaris Space Marine.

To know the deeds behind the legend of Marneus Calgar, one would have to journey into the depths of Macragge's fortress-monastery, the Fortress of Hera.