Cath Drum

Instrument

Item Details

Utility 22
Bonus Level 8
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Cold Resist 2%
Matter Resist 2%
Spirit Resist 2%
Music 2

Raw Item JSON

{
  "sell_value" : 17256,
  "bonus_level" : 8,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Iago", "gurite raider", "siog raider", "gurite lookout", "siabra mireguard", "Aodhan" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2974,
  "utility" : 22.0,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Music: 2 pts\n- Cold: 2%\n- Spirit: 2%\n- Matter: 2%\n \n \n \nBonus Level: 8\n",
  "salvage_amount" : 22,
  "artifact" : false,
  "material" : 38,
  "name" : "Cath Drum",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 7494,
  "category" : 4,
  "bonuses" : [ {
    "id" : 109,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 12,
    "type" : 5,
    "value" : 2
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 2
  }, {
    "id" : 15,
    "type" : 5,
    "value" : 2
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?