No, she couldn't be certain that the person had left.
Although Selena was currently physically drained from the antidote and couldn't freely command the plants, her innate connection to them remained. The flora whispered to her that there was no other "life force" acting aggressively in the room, but that didn't mean it was empty.
The person lurking in the shadows might very well be the one who had been dosing her with the Plant Inhibitor.
She couldn't call for the servants to check the room—not even under the guise of cleaning. Whoever had slipped in clearly possessed significant skill; they had managed to hide within the manor for God knows how long and had entered her room in broad daylight without being spotted by the passing staff.
Thoughts spun through Selena's mind. Within a few
