Ioun stone of Leadership

A stone has AC 24, 10 Hit Points, and Resistance
to all damage.
A creature can use an action to grasp or net the
stone with a successful Attack roll AC 24 or
Arcobatics check DC 24. You can use an action
to seize and stow the stone, ending its effect.
Your Charisma score increases by 2, to a
maximum of 20.