Giant's Black Sapphire Ring

Jewelry Bracer

Item Details

Utility 13.08
Bonus Level 7
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Strength 7
Hit Points 15
Dexterity 7

Raw Item JSON

{
  "sell_value" : 37719,
  "bonus_level" : 7,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "reincarnate orm", "large enslaved orm", "crippled jotun", "Valthjof", "broken jotun", "Ulfketill", "jotun outcast", "jotun warchief", "jotun despot", "jotun overlord" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 103,
  "utility" : 13.083333333333332,
  "delve_text" : "Realm: Midgard\n \nMagical Bonuses:\n- Strength: 7 pts\n- Dexterity: 7 pts\n- Hits: 15 pts\n \n \n \nBonus Level: 7\n",
  "slot" : 13,
  "artifact" : false,
  "material" : 0,
  "name" : "Giant's Black Sapphire Ring",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "id" : 5546,
  "category" : 5,
  "bonuses" : [ {
    "id" : 0,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  }, {
    "type" : 4,
    "value" : 15
  } ]
}
How is utility calculated?