Topaz Studded Shell Flute

Instrument

Item Details

Utility 34.33
Bonus Level 24
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Quickness 7
Charisma 7
Music 5

Raw Item JSON

{
  "sell_value" : 27921,
  "bonus_level" : 24,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "breaker roane companion" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2972,
  "utility" : 34.33333333333333,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Music: 5 pts\n- Charisma: 7 pts\n- Quickness: 7 pts\n \n \n \nBonus Level: 24\n",
  "salvage_amount" : 22,
  "artifact" : false,
  "material" : 39,
  "name" : "Topaz Studded Shell Flute",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 8351,
  "category" : 4,
  "bonuses" : [ {
    "id" : 109,
    "type" : 2,
    "value" : 5
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 7
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?