The Frostweyr Spire is a tall peak in the western part of Kermoria, located along the northern edge of the steppes controlled by the Nomads. It features heavily into the lore of several prominent Moon Mages
"Moon mage" is not in the list of possible values (None, Bard, Barbarian, Cleric, Empath, Moon Mage, Necromancer, Paladin, Ranger, Thief, Trader, Warrior Mage, creature, Commoner) for this property., including Tiv and Mizuhari. Accordingly, successfully ascending the peak has special meaning to novices of the Crystal Hand.
After the death of Mizuhari, Bashila Pertil rebuilt the monastery of the Crystal Hand monks that was built into the Spire.