Flute of Vitriolic Ooze

Instrument

Item Details

Utility 52.33
Bonus Level 28
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Quickness 16
Charisma 16
Spirit Resist 8%
Instruments 3

Primary Ability

Dmg-Over-Time Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 28,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Fuladl" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2978,
  "utility" : 52.33333333333333,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Instruments: 3 pts\n- Charisma: 16 pts\n- Quickness: 16 pts\n- Spirit: 8%\n \nLevel Requirement: 49 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: dmg-over-time\n \nInflicts damage to the target repeatedly over a given time period.\n \nDamage per tick: 64\nTarget: Targeted\nRange: 300\nDuration: 20 sec\nFrequency:      4.0 sec\nCasting time: instant\nDamage: Matter\n \n- This spell is cast when the item is used.\n \nCan use item every: 1:30 min\n \n \nBonus Level: 28\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3826,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "salvage_amount" : 5,
  "artifact" : false,
  "material" : 71,
  "name" : "Flute of Vitriolic Ooze",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 23902,
  "category" : 4,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 98,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 16
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 16
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 8
  } ],
  "ability_tags" : [ "fn_dot" ]
}
How is utility calculated?