https://wccftech.com/diablo-immortal-pre-registration-now-open-on-ios-and-ipados/

Blizzard Entertainment announced that Diablo Immortal is finally available for pre-registration on iOS and iPadOS devices. To incentivize players to pre-register for the game, Blizzard has revealed that it will give away the Horadrim Cosmetic set to everyone who completes the Diablo Immortal tutorial within thirty days from the game's launch. This includes Android users, by the way, who can still pre-register here.

Modeled after the Brotherhood of the Horadrim, an ancient collective of mages and wizards selected by archangel Tyrael, the Horadrim Cosmetic set blankets those who wear it in gilded excellence. Forged in light for only the most devout adventurers, the set morphs to its wearer’s martial expertise, creating a distinctive look for each class.