Ioun Stone of Intellect

You can use an action to toss this stone into
the air. It orbits your head at 1d3 feet and
your INT increases by 2 to a max of 20. You
can use an action to seize the stone, ending
its effect.
The stone has AC 24, 10 hit points, and
resistance to all damage. The stone can also
be grabbed with a DC 24 Acrobatics check.