Dominus Ghaul is the main antagonist of Destiny 2.
Summary[]
In response to the distress call issued by the Skyburners, Dominus Ghaul raised the Red Legion, an armed forced beholden to the Cabal, and laid siege to the Last City on Earth. After launching the surprise invasion and destroying the Tower, managing even to wound the Traveler, the Guardians were dispersed and left wondering what to do next.