Polished Granite Lute

Instrument

Item Details

Utility 43
Bonus Level 23
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Armor Factor (AF) 10
Acuity 18
Instruments 3
ToA
ToA Overcap - Acuity 3

Raw Item JSON

{
  "sell_value" : 21950,
  "bonus_level" : 23,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "granite giant herdsman" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2970,
  "utility" : 43.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Instruments: 3 pts\n- Acuity: 18 pts\n \nBonus to acuity attribute bonus cap: 3\nBonus to armor factor (AF): 10\n \n \nBonus Level: 23\n",
  "salvage_amount" : 22,
  "artifact" : false,
  "material" : 71,
  "name" : "Polished Granite Lute",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 12113,
  "category" : 4,
  "bonuses" : [ {
    "id" : 98,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 18
  }, {
    "id" : 10,
    "type" : 28,
    "value" : 3
  }, {
    "type" : 22,
    "value" : 10
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?