The Doctor clenched his jaw a moment. "In my universe, she's dead. Looked into the heart of the TARDIS and burned herself out with the Time Vortex to destroy the Daleks I missed when Gallifrey burned." His voice was harsh, and he wasn't sure if it was anger or guilt that fueled that tone more. "'S just wondering, is all. Ran into her here, and she'd just done that in her timeline, only she didn't die. Saved her, her Doctor did."