Curved Bone bracelet

Jewelry Bracer

Item Details

Utility 34.92
Bonus Level 21
Dyeable No
Sellable No
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 9
Dexterity 7
Slash Resist 4%
Shield 4

Raw Item JSON

{
  "bonus_level" : 21,
  "sources" : {
    "monsters" : {
      "one_time_drop" : [ "Marden" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false,
    "no_sell" : true
  },
  "icon" : 622,
  "utility" : 34.916666666666664,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Shield: 4 pts\n- Dexterity: 7 pts\n- Slash: 4%\n- Hits: 9 pts\n \n \nCannot be sold to merchants.\n \nBonus Level: 21\n",
  "slot" : 13,
  "artifact" : false,
  "material" : 0,
  "name" : "Curved Bone bracelet",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 6179,
  "category" : 5,
  "bonuses" : [ {
    "id" : 43,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 4
  }, {
    "type" : 4,
    "value" : 9
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?