A Healslime is a slime that specializes in healing its allies.
Dragon Quest II
Dragon Quest III
Dragon Quest IV
Dragon Quest V
Dragon Quest IX
Healslimes are first seen wandering in the Brigadoom area. They also appear in the Tower of Trades, when a Restless Armor calls it to battle.
Dragon Quest Monsters
A Healslime is the first boss the player encounters and this particular one is Hale, one of the King of GreenTree's favorite monsters.
Dragon Quest Monsters 2
Dragon Quest Monsters: Caravan Heart
Dragon Quest Heroes: Rocket Slime
The player's character, Rocket has a best friend which is a Healslime, called Hooly.