Exceptional Avernal Maligned Lute

Instrument

Item Details

Utility 33.67
Bonus Level 19
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
Bard

Magical Bonuses

Basic
Charisma 19
Music 3
ToA
ToA Overcap - Charisma 3

Raw Item JSON

{
  "sell_value" : 11293,
  "requirements" : {
    "usable_by" : [ 48 ]
  },
  "bonus_level" : 19,
  "sources" : {
    "stores" : [ "Hib Emerald Staves/Instruments" ]
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2970,
  "utility" : 33.666666666666664,
  "delve_text" : "Realm: Hibernia\n \nUsable By: \n- Bard\n \nMagical Bonuses:\n- Charisma: 19 pts\n- Music: 3 pts\n \nBonus to Charisma attribute bonus cap: 3\n \n \nBonus Level: 19\n",
  "salvage_amount" : 49,
  "artifact" : false,
  "material" : 37,
  "name" : "Exceptional Avernal Maligned Lute",
  "usable_by" : [ 48 ],
  "realm" : 3,
  "id" : 34147,
  "category" : 4,
  "bonuses" : [ {
    "id" : 7,
    "type" : 1,
    "value" : 19
  }, {
    "id" : 109,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 7,
    "type" : 28,
    "value" : 3
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?