One of Seg-El's longtime allies just turned traitor.
1 / 17
In Krypton's Season 2 premiere, Mama Zed betrayed Nyssa-Vex and the rebellion against General Zod.
2 / 17
As established in Season 1, Mama Zed raised Seg's friend Kem.
3 / 17
In Season 1, she appeared as a maternal figure to her fellow rankless.
4 / 17
Mama Zed was the one who informed Nyssa that her father Daron-Vex had returned home.
5 / 17
Nyssa wasted no time in finding him, leaving her son Cor-Vex in Mama Zed's care.
6 / 17
Nyssa walked straight into Lyta-Zod's ambush, where she was captured and her father killed.
7 / 17
Mama Zed also handed Cor over to General Zod and Lyta.
8 / 17
Zod threatened to raise Cor as his own if Nyssa didn't convince Val-El to halt the rebellion.
9 / 17
Mama Zed also led the Sagitari back to the rebellion's hideout.
10 / 17
For her efforts, the Sagitari shot her in the back, killing her.
11 / 17
Val-El and the others fought back and ultimately escaped, hoping to keep the rebellion alive.
12 / 17
Since Mama Zed admitted she "had no choice," she was likely strong-armed by Zod too.
13 / 17
However, the ramifications of her actions have landed Nyssa in dire straits.
14 / 17
The rebellion -- and the fate of her son Cor-Vex -- now rests in her hands.
15 / 17
Krypton airs Wednesdays at 10 pm ET/PT on Syfy.
16 / 17