C808 Twentytwo Years Thirty Years

What is Adai's goal? To get rid of her? But judging by all the signs, if they truly wanted her dead, they could have easily trapped the host and waited for her to appear, given they knew the exact timing and identity of the host. Wouldn't that be much more convenient than letting her roam free and then having to track her down?

Moreover, Adai knows she's alive