Well, a while ago got hit by Kraken King suddenly appearing in my capital. With 25 (IIRC) Kraken. With me having Luck 3.
I didn't know there even where Kraken Kings
Looking at the horde of Krakens (with that dreadful Kraken King leading them) I gave up that MP after considering things for a few moments (game was in the early stages stil, my capital was still my only fortress...).