Spider Gem

Jewelry Jewel

Item Details

Utility 37.67
Bonus Level 21
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Intelligence 22
All Casting 3
ToA
ToA Overcap - Intelligence 4

Raw Item JSON

{
  "sell_value" : 16248,
  "bonus_level" : 21,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "troglodyte", "Thorg" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 118,
  "utility" : 37.666666666666664,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Intelligence: 22 pts\n- ALL magic skills: 3 pts\n \nBonus to Intelligence attribute bonus cap: 4\n \n \nBonus Level: 21\n",
  "slot" : 4,
  "artifact" : false,
  "material" : 0,
  "name" : "Spider Gem",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 11758,
  "category" : 5,
  "bonuses" : [ {
    "id" : 4,
    "type" : 1,
    "value" : 22
  }, {
    "id" : 4,
    "type" : 28,
    "value" : 4
  }, {
    "id" : 303,
    "type" : 2,
    "value" : 3
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?