From Dragon Quest Wiki
The heavenly helm is a rare and powerful helmet introduced in Dragon Quest IX. It is the most protective helmet in the game and the only with a five-star rarity ranking. It can only be created if an Alchemiracle is performed.
|Heavenly helm (DS)|
|Recipe||Blessed helm + Agate of evolution + Purple orb x3|
|Equipable by||Warrior, Priest, Minstrel, Gladiator, Paladin, Armamentalist, Luminary|
|Flavor text||A godly guard against confusion, illusion, poison and death.|
|Notes||Increases resistance against poison, illusions, confusion, and instant death by 35%.|
Can only be crafted if an Alchemiracle is performed.