Gem of Brightness

This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following 3 effects:
- shed bright light in a 30-foot radius and dim light for an additional 30 feet (0)
- fire a brilliant beam of light at one creature you can see within 60 feet of you. The creature must succeed on a DC 15 Constitution saving throw or become blinded for 1 minute (1)
- flare with blinding light in a 30- foot cone originating from it. Each creature in the