Rusted Exhaust Pipe

Instrument

Item Details

Utility 52.67
Bonus Level 28
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 44
Thrust Resist 8%
Charisma 16
Instruments 3

Raw Item JSON

{
  "sell_value" : 37719,
  "bonus_level" : 28,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Tower Guardian" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2978,
  "utility" : 52.666666666666664,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Instruments: 3 pts\n- Charisma: 16 pts\n- Hits: 44 pts\n- Thrust: 8%\n \n \n \nBonus Level: 28\n",
  "salvage_amount" : 5,
  "artifact" : false,
  "material" : 71,
  "name" : "Rusted Exhaust Pipe",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 23760,
  "category" : 4,
  "bonuses" : [ {
    "id" : 98,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 16
  }, {
    "type" : 4,
    "value" : 44
  }, {
    "id" : 3,
    "type" : 5,
    "value" : 8
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?