Quick observation

Another possible hint of the number of playable characters?

You can select 50 "characters".

Before you get too excited, 12 are Emblems. 1 is for "None". I'm not 100% sure, but Sommie may be another 1. So that's 14 to take off.

Leaving us with around 36.

— Serenes Forest (@SerenesForest) January 13, 2023