Pipes of Faunus

Instrument

Item Details

Utility 45.67
Bonus Level 22
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 16
Body Resist 4%
Instruments 3
ToA
Toa Spell Duration 2%
ToA Overcap - Dexterity 4

Raw Item JSON

{
  "sell_value" : 10206,
  "bonus_level" : 22,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "legionarius", "decurion", "immunis", "cohorstalis", "manipularis", "centurio manipularis", "actarius", "optio", "praetor", "Centurio Taras praetorii", "Centurio Crotus praetorii", "Centurio Olivarius praetorii", "princep", "centurio pilus posterior", "centurio primus ordines", "centurio primus pilus", "Spirit of the Emperor", "vigilis", "tribune", "tribunus laticlavicus", "praefectus", "dux", "magister", "legatio", "draconarius", "signifier", "aquilifer", "imaginifer", "praetorian guard", "singular", "forgotten emperor", "Emperor Seleucus", "eques", "evocatus augusti", "centurio princeps praetorii", "Taras princeps praetorii", "Crotus princeps praetorii", "Olivarius princeps praetorii", "Amminus pilus" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2972,
  "utility" : 45.666666666666664,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Dexterity: 16 pts\n- Instruments: 3 pts\n- Body: 4%\n \nBonus to Dexterity attribute bonus cap: 4\nBonus to duration of spells: 2%\n \n \nBonus Level: 22\n",
  "salvage_amount" : 22,
  "artifact" : false,
  "material" : 39,
  "name" : "Pipes of Faunus",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 1549,
  "category" : 4,
  "bonuses" : [ {
    "id" : 1,
    "type" : 1,
    "value" : 16
  }, {
    "id" : 1,
    "type" : 28,
    "value" : 4
  }, {
    "id" : 98,
    "type" : 2,
    "value" : 3
  }, {
    "type" : 13,
    "value" : 2,
    "requirement_id" : 5542
  }, {
    "id" : 16,
    "type" : 5,
    "value" : 4
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?