Runed Hollow Clay Helmet

Armor Leather Helm

Item Details

Utility 24.50
Bonus Level 11
Dyeable Yes
Sellable Yes
Tradeable Yes
Armor Info
Armor Factor 90
Base Quality 89%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 18
Dexterity 3
Crush Resist 4%
Stealth 2

Raw Item JSON

{
  "sell_value" : 27921,
  "type_data" : {
    "absorption" : 10,
    "base_quality" : 89,
    "clamped_armor_factor" : 90,
    "armor_factor" : 90
  },
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "clay jotun guard", "Mokkurvalve shard", "clay jotun retainer", "clay jotun runner", "clay jotun hunter" ]
    }
  },
  "bonus_level" : 11,
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 337,
  "utility" : 24.5,
  "delve_text" : "Realm: Midgard\n \nMagical Bonuses:\n- Hits: 18 pts\n- Stealth: 2 pts\n- Dexterity: 3 pts\n- Crush: 4%\n \n \nArmor Modifiers:\n- 90 Base Factor\n- 10% Absorption\n- 89% Quality / 100% Condition\n \n- Effective Armor:  89 Factor\n \n \nBonus Level: 11\n",
  "slot" : 1,
  "salvage_amount" : 46,
  "artifact" : false,
  "material" : 24,
  "name" : "Runed Hollow Clay Helmet",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "dye_type" : 0,
  "id" : 4619,
  "category" : 2,
  "bonuses" : [ {
    "type" : 4,
    "value" : 18
  }, {
    "id" : 19,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 5,
    "value" : 4
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?