Modpack version
1.64d

Can the issue be reproduced?
unknown

Logs

Issue
What mod or option make all mobs (zombies, skeletons, spiders, even TF nagas and others) random teleports after hit me?
How turn this thing off?

If this is a feature request, feel free to delete the template.

Are you running 1.64d stock? Did you do anything specific which might have caused this issue? Does the issue persist through server/client restarts? Are other players experiencing this issue as well? Is there anything noteworthy happening in the changelog?

I have not seen this before on 1.64d, so I would not know where to begin.

There is nothing in the pack that should cause that behaviour. Could it be server lag?

There is an enchantment that will (randomly) teleport mobs that hit you away. It is called Repellent, and is added by Ender IO. Is it possible some of your armor has this enchantment on it?

This issue has been automatically closed because there has been no response to our request for more information from the original author. With only the information that is currently in the issue, we don't have enough information to take action. Please reach out if you have or find the answers we need so that we can investigate further.