Drakoran Bone ring

Jewelry Ring

Item Details

Utility 30.67
Bonus Level 16
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 20
Quickness 7
Spirit Resist 3%
Stealth 3

Raw Item JSON

{
  "sell_value" : 13827,
  "bonus_level" : 16,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Bolin" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 103,
  "utility" : 30.666666666666664,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Stealth: 3 pts\n- Quickness: 7 pts\n- Hits: 20 pts\n- Spirit: 3%\n \n \n \nBonus Level: 16\n",
  "slot" : 15,
  "artifact" : false,
  "material" : 0,
  "name" : "Drakoran Bone ring",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 15467,
  "category" : 5,
  "bonuses" : [ {
    "id" : 19,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 7
  }, {
    "type" : 4,
    "value" : 20
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 3
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?