The "Eternal" status refers to the inclusion of three primary components: Diablo III (Base Game) : Acts I through IV of the main story campaign. Reaper of Souls (Expansion) : Adds Act V, the class, a level cap increase to 70, and the endgame-critical Adventure Mode Rise of the Necromancer (Pack) : Introduces the Necromancer class and several thematic digital items. How to Unlock and Access Content