Black Pearl Drum

Instrument

Item Details

Utility 58
Bonus Level 25
Dyeable Yes
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Armor Factor (AF) 12
Dexterity 18
Thrust Resist 7%
ToA
Toa Magic Damage 2%
Toa Spell Range 2%

Primary Ability

Improved Stat Decrease Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 33,
  "requirements" : {
    "level_required" : 50
  },
  "bonus_level" : 25,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Speos Treasure Hunter" ]
    }
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 2977,
  "utility" : 58.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Dexterity: 18 pts\n- Thrust: 7%\n \nLevel Requirement: 50 Level\n \nBonus to magic damage: 2%\n-  Requirement: vs Undead, Demons, Elementals\nBonus to spell range: 2%\n-  Requirement: vs Undead, Demons, Elementals\nBonus to armor factor (AF): 12\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: 1:30 min\n \n \nBonus Level: 25\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3844,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  } ],
  "salvage_amount" : 5,
  "artifact" : false,
  "material" : 3,
  "name" : "Black Pearl Drum",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "dye_type" : 0,
  "id" : 36045,
  "category" : 4,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 1,
    "type" : 1,
    "value" : 18
  }, {
    "type" : 9,
    "value" : 2,
    "requirement_id" : 3150
  }, {
    "type" : 12,
    "value" : 2,
    "requirement_id" : 3150
  }, {
    "type" : 22,
    "value" : 12
  }, {
    "id" : 3,
    "type" : 5,
    "value" : 7
  } ],
  "ability_tags" : [ "fn_ntwostat" ]
}
How is utility calculated?