Bungie's latest Desiny 2 expansion, Shadowkeep , brings Guardians back to the Moon, only to discover that it's plagued by terrifying living nightmares, and long-vanquished enemies that need to be conquered again. Composers Mike Salvatori and Skye Lewin told me that not only did they write some of the most terrifying music ever for Destiny , but they blended in subtle hints of sorrow and brash heroic moments as well. Guardians are called back to the Moon to assist Eris Morne, one of the most