Runed Giant Heartworm Corpse

Jewelry Ring

Item Details

Utility 52
Bonus Level 28
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 15
Quickness 15
Matter Resist 6%
Stealth 4

Primary Ability

Haste Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 28,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Iarnvidiur" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 103,
  "utility" : 52.0,
  "delve_text" : " \nMagical Bonuses:\n- Stealth: 4 pts\n- Dexterity: 15 pts\n- Quickness: 15 pts\n- Matter: 6%\n \nLevel Requirement: 49 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: haste\n \nIncreases the target's combat speed.\n \nValue: 20%\nTarget: Self\nDuration: 1:00 min\nCasting time: instant\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",
  "slot" : 15,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3839,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Runed Giant Heartworm Corpse",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 23839,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 19,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 15,
    "type" : 5,
    "value" : 6
  } ],
  "ability_tags" : [ "fn_combat_haste" ]
}
How is utility calculated?