Frenzied Jewel of Gelvin

Jewelry Jewel

Item Details

Utility 70
Bonus Level 37
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Crush Resist 7%
Slash Resist 7%
Thrust Resist 8%
Heat Resist 6%
Matter Resist 7%

Primary Ability

Haste Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 40056,
  "requirements" : {
    "level_required" : 50
  },
  "bonus_level" : 37,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Gelvin the Mad" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 115,
  "utility" : 70.0,
  "delve_text" : " \nMagical Bonuses:\n- Thrust: 8%\n- Slash: 7%\n- Crush: 7%\n- Matter: 7%\n- Heat: 6%\n \nLevel Requirement: 50 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 \n \nBonus Level: 37\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3840,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Frenzied Jewel of Gelvin",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 49132,
  "category" : 5,
  "bonuses" : [ {
    "id" : 3,
    "type" : 5,
    "value" : 8
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 1,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 15,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 10,
    "type" : 5,
    "value" : 6
  } ],
  "ability_tags" : [ "fn_combat_haste" ]
}
How is utility calculated?