The swarmed stopped attacking and regrouped around a single Tyranid creature before the walls of the Nexus

The Zenomthrope floated towards the Nexus, the Psionic energy around it rippled As it sent out a single thought not words so much as an understanding "Host" Images of countless other "hosts" were broadcasted as well.

In orbit the Hive Fleet continued launching spores to the planets surface but the destruction of its defenders ceased. 

The Tyranids waited for a response