Already ahead of you
Tried Kraken and i think it is doable, but since my int is only 28 and fire arrow does 420 damage, it's going to be a looooong battle. So, doing the quick math, 17K each side tentacle + ~34K center one, we got over 250 turns and i'm not counting mana spring casting. The problem is, that those devilfishes are attacking me constantly and with every slayed devilfish pack the kraken will spawn a bigger group... Or am i missing something here?