Tass (meaning cup or goblet in Arabic) is crystallized Mana within the Fallen World. Tass has no set form. Its shape is dictated by the nature of where it forms and other unknown currents in reality. Tass nearly always forms in or around a Hallow, although sometimes tass is the remains of a Hallow gone dry and vanished from reality. Some Tass is organic, other possess the form of crystals, liquids or even soil. Many mages cultivate their Hallows in order to gain maximal Tass.

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