Gem of Brightness

{
  "srd": true,
  "name": "Gem of Brightness",
  "page": 171,
  "tier": "major",
  "light": [
    {
      "dim": 60,
      "bright": 30
    }
  ],
  "__prop": "item",
  "rarity": "uncommon",
  "source": "DMG",
  "weight": 1,
  "charges": 50,
  "entries": [
    "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 effects:",
    {
      "type": "list",
      "items": [
        "The first command word causes the gem to shed bright light in a 30-foot radius and dim light for an additional 30 feet. This effect doesn't expend a charge. It lasts until you use a bonus action to repeat the command word or until you use another function of the gem.",
        "The second command word 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. The creature must succeed on a {@dc 15} Constitution saving throw or become {@condition blinded} for 1 minute. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.",
        "The third command word expends 5 charges and causes the gem to flare with blinding light in a 30-foot cone originating from it. Each creature in the cone must make a saving throw as if struck by the beam created with the second command word."
      ]
    },
    "When all of the gem's charges are expended, the gem becomes a nonmagical jewel worth 50 gp."
  ],
  "wondrous": true,
  "_category": "Other",
  "_entryType": "wondrous item",
  "_textTypes": [
    "wondrous item"
  ],
  "lootTables": [
    "Magic Item Table F"
  ],
  "_attunement": null,
  "_isEnhanced": true,
  "reprintedAs": [
    "Gem of Brightness|XDMG"
  ],
  "_entrySubType": "",
  "hasFluffImages": true,
  "_valueFromRarity": 40000,
  "referenceSources": [
    "DSotDQ",
    "EFR",
    "KftGV",
    "OotA",
    "PaBTSO",
    "QftIS",
    "SCC-CK",
    "ToA",
    "ToFW",
    "WDMM"
  ],
  "_attunementCategory": "No Attunement Required"
}