With bodyguards like these...

... why even bother with the enchanted doors, and tiny parasites, and shadow monsters, and bottomless pits!  Sheesh, these guys look scary.  Well, I guess, all you can do is try...

Name: Cromm
HP: 47
AC: 19
Initiative: +4
Attack: +4 vs. AC
Weapon: Life Reaper Great Axe (2d10)
Special: When he does damage, he regains half of that damage back to his own HP (up to his max HP)

Name: On-ni-ga-wa-wrath
HP: 55
AC: 18
Initiative: +7
Attack: +2 vs. AC
Weapon: Vorpal Katana(1d12)
Special: Upon hit there is a 10% chance that he will completely decapitate his enemy (pick a number 1-10 then roll a d10)

Name: Hairy Harry
HP: 64 (each)
AC: 17
Initiative: +3
Attack: always hits
Weapon: Smell My Pits (3d4)
Special: Just being in the presence of his poisonous pits deals damage but if he does precisely 6 damage with his odor, he'll take a swing with those claws as well (roll an extra 1d8)

Instructions:
You know the deal.  And if you have trouble beating them, get creative.  Good luck!