There were many dangerous creatures in the Astral Plane that could be understood.
However, there were only two kinds of creatures that could make Soran very annoyed. One was the legendary Abomination, the offspring of dead gods--a dangerous creature full of intent to destroy. The other was the Githyanki. They lived in the astral plane and were aggressive, belligerent, and numerous. M
So it was no surprise that it was the Githyanki!
