Also included in the most recent Shroud of the Avatar update were a few images of the Sigil of Magic, which depicts the nine schools of magic that will feature in Shroud of the Avatar:

Portalarium also, in the course of showing off these new images, released a few details about Shroud of the Avatar’s magic system proper, such as what Fire and Water magic will typically be used for in the series. These details, sparse as they are, can be found at the newly-created Magic page on the Ultima Codex’s Shroud of the Avatar portal.