Under “Codices” add the text

This footnote is considered by scholars to come from the Octocodex written by O. Sedecim, Second Corner. This is one of the few remaining fragments after O. Sedecim accidentally traveled through Interim.

Any person trained, even a first day Tesser, can perform Face Action by either cooperating with a Tesser that has a different Affinity than they (shards can replace both Tessers, allowing a Tesser to activate Face Actions which they don’t share an Affinity with) and spending power equal to the number of Affinities they don’t have; in case two Tessers perform a Face Action they both pay this cost.