Game Mechanics: Loadout/Overworld/Combat

Hey, here's a list of literally every game mechanic (or game design feature) listed so far: 

1) Pressing WASD or the arrow keys to move around 

2) Pressing R or F to rotate between active characters 
  2.X) Pressing Shift+R or Shift+F to rotate between active characters twice in a row (within 1 cooldown) [this won't come up until there are 4 birds in the party at once] 

3) Understanding health, and how health is regenerated 

4) Pressing 1 or 2 to perform active actions 
  4.1) 

Pressing T to activate Ultimates 
  [this is, in likelihood, the last of the key inputs?] 

Pressing