The body sensor had another advantage: since it utilized the pyroelectric effect rather than optical imaging, it meant that even if the mysterious assassin could become invisible, they would still not escape detection by the body sensor.
Li Yu had prepared two body sensors before setting out from Green Field, and now they came in handy.
Furthermore, for added security, Li Yu also left behind a thermal imager to facilitate Thomas and the others in capturing the invisible person, should the assassin truly possess the ability to become unseen.
If that person didn't show up, well and good, but if they dared to appear again, they certainly wouldn't be able to leave this inn.
A troubling issue that had been causing everyone headaches was thus easily resolved by the Prophet of the Double Rest Sect.
Wild and the others once again marveled at the strength of Merlin and Saturday while finally understanding why Lady Ireya trusted Li Yu so much, even to the point of following his advice.
