If Sina's done or running out, she's either not aware of it or failing to heed it.
The trees become too large for the walls to contain them, and the sound of crumbling stone accompanies their spreading roots. The sound of groaning and rustling has been all around them, growing louder with the garden's progress, but only now does Sina open her eyes.
Even so, she may not be awake. Her eyes are a solid glowing green, the same shade as the magic spreading from her hands, her expression placid and unbothered as her short hair wisps about, buffeted by an invisible wind.