Quote Originally Posted by liquidformat View Post
No that's not quite right, previously we identified possible ways to get to int 3+ but did not include any specific one into our rating of the creature as the rating of the creature would change depending on which one you are using (even if only slightly).

In this case no way beyond DM fiat has yet been identified to bring Necromental up to 3+ int. That is a whole different situation from what we have been working with.
Magic item, maybe?