Heraktus was a Jiralhanae Chieftain who served in the Human-Covenant War. While participating in a fair amount of battles, his more recognized station was that on the conquered world of New Liberty, under the Prophet of Solemnity and Sangheili Councilor, Xiga 'Tagrahee. The chieftain would find himself elevated into the councilor's position during the Great Schism, taking over the planet's excavation, until his demise in the year 2553.