Some demon-hunting cultists learn the hard way that you should not take on a demon who is a professional assassin if there are the same number of you as it has tentacles.
A lot of people underestimate Melmarus because she’s not a terribly graceful mover on land, and she’s cute, fat and a little goofy-looking. But, like most agriltheans, she is a powerful mage, and doesn’t really need to be able to run you down so long as you can’t outrun her magical projectiles.
All cultists have to wear fancy robes or legally they aren’t real cultists.