Manaverse
From Manaverse Wiki
The Manaverse is the name given to a universe [...]. It is primarily characterized by the existence of a harmonizing energy eponymously known as Mana. The continued existence of the Manaverse and all that it encompasses is made possible by "reality," which is comparable to a metaphysical membrane that occupies the Manaverse known as the Fabric.
Although events in the Manaverse do not follow a linear continuity due to the existence of an infinite number of timelines, it is canonically considered to follow the events of two prominent timelines. The first of these is referred to as the Prime Timeline, and is considered to be the main timeline. [...] . The second timeline, known as the Alter Timeline, is [...].