Donエt get it. I had a party with 2 fighters. Guess what - both spent their time enjoying the view from the cliff.
Sleeping enemies in troves. And oil does not trigger anything with sleeping people. And fire sets all connected oil in flames. And poison (e.g. after bolder bash) explodes violently ...
This specific fight can be won with and by exactly 1 mage. Uno. Or any other figure with a healthy amount in fitting scrolls.
Regards,
Thorsten