Underestimate the AI: Reap the consequences.

[Smauler]

Originally posted by Norfleet:
Note also how, if left up to the AI, your pretender will be allowed to cast spells until it faints from exhaustion....but the AI's pretender won't do this: You can easily witness the AI's pretender casting its spells, and then ATTACKING YOU.

I've seen an AI pretender do this in DM against another AI. I don't remember who vs who, but one cast spells until completely fatigued, the other cast spells, wasn't as fatigued, then just came and whacked them on the head repeatedly with a spoon until they died.