Swarm Caller's Lute

Instrument

Item Details

Utility 72
Bonus Level 42
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
Minstrel

Magical Bonuses

Basic
Matter Resist 9%
Body Resist 9%
Spirit Resist 9%
ToA
Toa Power Pool 9%

Primary Ability

Improved Stat Decrease Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "usable_by" : [ 4 ],
    "level_required" : 50
  },
  "bonus_level" : 42,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Funus" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2976,
  "utility" : 72.0,
  "delve_text" : "Realm: Albion\n \nUsable By: \n- Minstrel\n \nMagical Bonuses:\n- Power: 9 % of power pool.\n- Body: 9%\n- Matter: 9%\n- Spirit: 9%\n \nLevel Requirement: 50 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: improved stat decrease\n \nDecreases the target's listed stat(s).\n \nDex/Qui decrease: 56\nTarget: Targeted\nRange: 300\nDuration: 1:00 min\nCasting time: instant\nDamage: Body\n \n- This spell is cast when the item is used.\n \nCan use item every: 45 sec\n \n \nBonus Level: 42\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3844,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  } ],
  "salvage_amount" : 12,
  "artifact" : false,
  "material" : 71,
  "name" : "Swarm Caller's Lute",
  "usable_by" : [ 4 ],
  "realm" : 1,
  "id" : 21460,
  "category" : 4,
  "use_duration" : 45,
  "bonuses" : [ {
    "type" : 34,
    "value" : 9
  }, {
    "id" : 16,
    "type" : 5,
    "value" : 9
  }, {
    "id" : 15,
    "type" : 5,
    "value" : 9
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 9
  } ],
  "ability_tags" : [ "fn_ntwostat" ]
}
How is utility calculated?