Once invisible, Geoffrey remained in his cell until the guards came for him, then slipped out and escaped when they opened the door.
There was nothing she could do except trust her instinct that she should remain in her cell.
He cautiously chose to remain in his cell, however.
When not at his workstation he remained in his cell, even if offered an opportunity to move around.
Why does the minionette remain alone in her cell?
Gul Mavek orders you to remain here, in your cell.
"The temple and its treasures are vulnerable so long as the pretender remains in his cell."
With no means of leaving the island, West had no choice but to remain in his cell until the escape was discovered the next morning.
I'm half sorry myself, but Tutilo remains in his cell.
Adults remain underground through the winter, initially remaining in their pupal cell.