From the helpful Doctor to the ugly Putrid Swarm these monsters are adept at the art of healing, each in their own way.
Ogre Doctor
🗡️1 🛡️5 ❤️3
Tasty Brew — attack or heal 1❤️ to a monster
Vampire
🗡️3 🛡️7 ❤️5
Life Drain — on hit heal 1❤️ to itself
Bridge Troll
🗡️2 🛡️5 ❤️5
Regenerate —if at ❤️3 or less, heal 1❤️ to itself at the end of turn
Putrid Swarm
🗡️0 🛡️4 ❤️6
Sickness — prevents all characters from healing
Clarifications
Bridge Troll automatically heals at the end of his turn, but only if he is already wounded. If he's at ❤️3 he will heal to ❤️4, but won't self-heal more than that. Hard to kill and requires team effort to take down.
Putrid Swarm affects everyone, including the bad guys.