So what is Pythium's weakness?

[Endoperez]

I remember someone who killed enemy's mages with Chariots: the other guy hadn't realised his mages might be in danger even during storm... And the falnkers were trampled through! That might work with elephants too, as they can get trample through lines of larger protectors.

Does Mind Duel kill all the communicants? IIRC right spells that target a communion master affect all his slaves too. Although Incinerate or Frozen Heart, heck, even Charm of Hellbind Heart could work!