Nightmare of Rizaahn, the Lost

Nightmare of Rizaahn, the Lost is the boss of the K1 Communion Lost Sector on the Moon. It is a Fallen Captain of high renown that the Pyramid recreated as a Nightmare to work with the House of Dusk and defend the Lost Sector.

Fight

It summons Fallen and Nightmares, has high durability and rapid movement, and uses teleportation and a Kinetic Ultra Smash. It first appeared in Destiny 2: Shadowkeep.