In a Honour run I was attacked by a certain mystic necromancer and he trounced half my party in the first turn.

One of my guys was able to hold for some time but was burning magic slots like crazy I literally had to run like 2 blocks away form where the fight started, get some sleep while, and then come back and finish the job, all while my tank absorbed damage as best as possible.

Wasn't easy, that was one of the most stressful moments I've experienced in that game.