Exquisite Infernal Malison Drum

Instrument

Item Details

Utility 57
Bonus Level 34
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
Bard

Magical Bonuses

Basic
Dexterity 15
Charisma 15
Music 5
ToA
ToA Overcap - Charisma 6

Raw Item JSON

{
  "sell_value" : 73101,
  "requirements" : {
    "usable_by" : [ 48 ]
  },
  "bonus_level" : 34,
  "sources" : {
    "stores" : [ "Hib Diamond Staves/Instruments" ]
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2980,
  "utility" : 57.0,
  "delve_text" : "Realm: Hibernia\n \nUsable By: \n- Bard\n \nMagical Bonuses:\n- Music: 5 pts\n- Charisma: 15 pts\n- Dexterity: 15 pts\n \nBonus to Charisma attribute bonus cap: 6\n \n \nBonus Level: 34\n",
  "salvage_amount" : 144,
  "artifact" : false,
  "material" : 71,
  "name" : "Exquisite Infernal Malison Drum",
  "usable_by" : [ 48 ],
  "realm" : 3,
  "id" : 34068,
  "category" : 4,
  "bonuses" : [ {
    "id" : 109,
    "type" : 2,
    "value" : 5
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 7,
    "type" : 28,
    "value" : 6
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?