Slime crown' is a recurring item in the Dragon Quest series. It is a crown worn by King slime and other kings from slime family.It's gold-brimmed with green-purple fabric. It is a ingredient of many powerful items when combined with other alchemy ingredients, especially Orichalcum and Gold Bar.
Dragon Quest VIII
In Dragon Quest VIII, slime crown can be found inside well in Hilltop Hut and inside a barrel in Tryan Gully. It can be also dropped by King slime (Rare drop, 1/256) and Metal king slime (Common Drop, 1/128), but not King cureslime. As an alchemy ingredient, it is used in recipes to make Metal King Armour, Liquid Metal Sword and King Axe.