VV: Ultimatum Shrines
Refund, Upgrade and Sacrifice shrines.

Refund Shrine
The Refund Shrine in VV: Ultimatum completely resets a single skill in your skill tree and returns its skill points - usable exactly once per character, unlocked via the 'Statue Mystery' quest with three extracts.

Sacrifice Shrine
The Sacrifice Shrine in VV: Ultimatum is a hidden shrine in Hueco Mundo's cave where you sacrifice monster parts in exchange for rewards, revealed by using the kneel emote at a strange wall while carrying the Ashen Pendant.

Upgrade Shrine
The Upgrade Shrine in VV: Ultimatum raises a single skill by two levels free of skill points and ascension fragments - once per character - at the end of an Everwhite Enclave questline involving Lord Nivis and the Gelid Dweller.
What Are Shrines?
Shrines in VV: Ultimatum are build-making tools - hidden interactive locations, usually tied to questlines, that let you reset, upgrade, or trade resources for your character build.