|Selector: Item Presence|
|Group||Detection & Focus|
|Slot (optional)||Number Constant|
Selector: Item Presence is a Number Spell Piece added by Psi. It will analyze the selected slot (if none are selected it will default to the focused slot—which is modified by
Trick: Switch Focus Slot) and return the number of items in that slot. It is unlocked in the lesson "Detection & Focus."
- Slot: Requires an integer number constant. Will accept integers inclusively from 1 to 9.