Diablo 3: Reaper of Souls – the first addition, the events of which unfold after the murder of Diablo. The Horadrim agreed to help Tyrael hide the black soul stone from all the angels. The task is successfully completed, but suddenly the angel of death appears before the assistants, killing the Horadrims. He leaves one of them alive, after which he tries to take Tyrael's soul, but instead rushes to the powerful artifact and takes possession of it.

The black soul stone in the hands of the angel of death will allow him to end the war forever, completely destroying humanity. He believes that people are demons, and their complete elimination will allow heaven and hell to stop the military conflict. A system for obtaining loot called “Loot 2.0” appears in the gameplay. New difficulty levels are introduced, affecting certain bosses, enemies, item acquisition, character and spell stats, quests, and other aspects of the experience. Communities and in-game guilds have been created. Each user is able to create his own squad, or join an existing one.

In the clan window, access is available to view levels, locations and three-dimensional models of each player’s heroes. Depending on the class of the ward, the Loot 2 system makes items that correspond to the main skills of the hero drop out. Added legendary equipment with unique upgrades for the wearer. The Crusader is a new character who uses two-handed swords, hammers and axes, as well as a shield. The holy warrior uses heavenly power to eliminate the demons. This addition to Diablo III introduces a new adventure mode, where the user is able to explore the whole world the way he wants. Nephalem portals allow you to travel faster, and assignments are similar to quests.