Board Thread:Warhammer 40k General Discussion/@comment-7186329-20130329164207/@comment-25507520-20150506211619

The Deamons could not even come near the Tyranids without flickering in and out of reality or ultimatly not being able to manifest.

This information is coming from the Tyranid Codex, there was a large Deamon/Tyranid battle that ultimatly resulted in the Tyranids winning.