Sloane escaped, but Sydney was revived by Michael Vaughn Michael Vartan , and she then tracked Sloane to Rambaldi's tomb in Mongolia with the help of Vaughn, her father Jack Bristow , and her allies Marshall Kevin Weisman , Dixon Carl Lumbly , and Rachel Rachel Nichols.
Realizing that an immortal Sloane would mean that his daughter would never be safe, Jack decided to sacrifice himself to save Sydney.
So what's up with this Rambaldi guy? However, Sloane shot the ground she was standing on and triggered a cave-in, which nearly killed her.
As a result, Sloane fell into the fluid that made up the Rambaldi sphere, and while he certainly seemed dead, it was later revealed that he was made immortal by the Rambaldi device.
It's been well over a decade since the thrilling and mysterious spy series Alias aired its final episode, which in many ways provided more questions than answers.
Since her death, Nadia's spirit seemed to haunt Sloane, sometimes offering encouragement and sometimes caution.