Gem of Brightness

This prism has 50 charges. You as an action speak
one of three command words: The first causes the
gem to shed bright light in a 30ft radius and dim
light for 30ft. The second expends 1 charge and
causes the gem to fire a brilliant beam of light at
one creature you can see within 60 feet of you.
They must succeed on a DC 15 Con save or be
blinded for 1 minute. The third expends 5
charges and causes the gem to flare with blinding
light in a 30ft cone. Each creature must succeed
on a DC 15 Con sav