Granite Drum

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
Dexterity 18
Instruments 3
ToA
ToA Overcap - Dexterity 3

Raw Item JSON

{
  "sell_value" : 19462,
  "bonus_level" : 23,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "granite giant herdsman", "granite giant stonecaller" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2971,
  "utility" : 43.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Instruments: 3 pts\n- Dexterity: 18 pts\n \nBonus to Dexterity attribute bonus cap: 3\nBonus to armor factor (AF): 10\n \n \nBonus Level: 23\n",
  "salvage_amount" : 22,
  "artifact" : false,
  "material" : 71,
  "name" : "Granite Drum",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 12112,
  "category" : 4,
  "bonuses" : [ {
    "id" : 98,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 18
  }, {
    "id" : 1,
    "type" : 28,
    "value" : 3
  }, {
    "type" : 22,
    "value" : 10
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?