Ulfwych Guardian's Harp

Instrument

Item Details

Utility 23
Bonus Level 13
Dyeable Yes
Sellable Yes
Tradeable No

Restrictions

Level Required 20
Usable By
All Classes

Magical Bonuses

Basic
Acuity 12
All Casting 3

Primary Ability

Replenish Power Level 20
Charge


Raw Item JSON

{
  "requirements" : {
    "level_required" : 20
  },
  "bonus_level" : 13,
  "sources" : {
    "stores" : [ "Ellard Fall - ALB3 Weapon Store1", "ALB4 Weapons Quartermaster" ]
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false,
    "no_drop" : true,
    "no_trade" : true
  },
  "icon" : 3688,
  "utility" : 23.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- ALL magic skills: 3 pts\n- Acuity: 12 pts\n \nLevel Requirement: 20 Level\n \n \nMagical Ability:\nFunction: replenish power\n \nReplenishes the target's power pool.\n \nAmount: 20%\nTarget: Self\nCasting time: instant\n \n- This spell is cast when the item is used.\n \nCan use item every: 10:00 min\n \nCannot be dropped.\nCannot be traded to other players.\n \nBonus Level: 13\n",
  "abilities" : [ {
    "spell" : 637,
    "magic_type" : 6,
    "power_level" : 20,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 35,
  "name" : "Ulfwych Guardian's Harp",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "dye_type" : 0,
  "id" : 50324,
  "category" : 4,
  "use_duration" : 600,
  "bonuses" : [ {
    "id" : 303,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 12
  } ],
  "ability_tags" : [ "fn_power_heal" ]
}
How is utility calculated?