Security slime

You're fighting a security slime

This large dark-colored slime has the word SECURITY painted on the front of it, presumably to indicate that it's in charge of keeping order at the slime convention, and not to give a shout-out to its favorite aspect of Maslow's Hierarchy of Needs. Which is a pity, because you think you could have had a really interesting discussion with it about said Hierarchy. For instance, your personal favorite part of it is the one about not getting beaten to death by a giant sentient ooze.