[Sombre]

I'm pretty sure if you want the 'best' AI it should only ever be given imprisoned pretenders with good scales. An uber bless, an awake SC, a rainbow,... I have never seen the AI use any of these things properly.

In fact making sure their pretender is immobile is probably a good idea too, or they'll just throw that great sage into a fight armed with a firebrand and a berserkers pelt.