Changeable Ability

[Fallout]

what the trigger to make spell like :
a passive spell that when you press ESC button, add Frost Arrow to unit and if pressed again it remove Frost Arrow and add Searing Arrow to unit ?

 

[Maker]

The event is

• Player - Player 1 (Red) skips a cinematic sequence

The action is

• Unit - Add Bash to *unit*

You can check which ability the unit has and remove it and add the other.