Rin is intent on wiping out the demons, but without a plan, it'd be too easy for some to escape. With that in mind, Ysley contacts another Idaten named Prontea to formulate a strategy, while the demons begin their own divide-and-conquer campaign against their divine enemies.
That means they knew all 
about the first transmitter
معنى هذا أنهم كانوا يعلمون بشأن أداة التعقّب الأولى
Dann wussten sie über
den ersten Peilsender Bescheid
Ça signifie
que mon premier mouchard
Significa che sapevano della prima trasmittente
Isso significa que também
sabiam do primeiro transmissor
Значит, они нашли и первый жучок