Also known as: ホイミスライム
In the Dragon Quest series, a Slime (Substance) monster with tentacles. Known in the English version of the game as a "Heal Slime" (or, in NES-era translations, "Healer").
Not to be confused with the Cureslime, Medislime, Sootheslime, or Man O' War (Dragon Quest) slimes, which are palette swapped variations with different abilities.