[Eidolon Vomvalyst under ground bug]

I have found that when fighting the eidolons sometimes the vomvalyst get stuck under the ground, normally this just leads to the problem of not being able to kill them and taking more damage over time but sometimes this makes the fight impossible to to complete. This happens when the eidolon trys to get its shields back and due to the vomvalyst being under ground you can't kill it and thus can't finish the fight. This happens to me every 1 out of 5 fights which has wasted a lot of my time. Pleas fix this.