While
Karl Mordo faced the
Zealots in the
New York Sanctum,
Stephen Strange rejoined the battle and was able to push them into the
Mirror Dimension.
However the Zealots were able to use the power of the
Dark Dimension to continue to attack, until the
Ancient One joined the battle. During the battle that followed,
Kaecilius revealed that she was also drawing on the power of the dark dimension, before fatalling stabbing her.