However, Charlotte-as-Dolores kills Dolores Original because Char-lores wants to rid the world of humanity. As Dolores’ data is being downloaded by Rehoboam, omnipotent host Maeve (Thandiwe Newton), who had been helping Serac, confronts Dolores Original, who reveals she doesn’t have the data and wants to save humanity. Dolores leaks the Rehoboam data, effectively setting the humans free — for now. Maeve turns on Serac after talking to Dolores, and the pair help Caleb usher in the revolution.
Source: https://www.distractify.com/p/is-dolores-still-alive-westworld