Jewel of Vanera Swamp

Jewelry Jewel

Item Details

Utility 66
Bonus Level 27
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 12
Mending 3
Augmentation 3
Runecarving 3
Summoning 3
ToA
Toa Hit Points Cap 12

Raw Item JSON

{
  "sell_value" : 17256,
  "bonus_level" : 27,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "hagbui swordbearer", "hagbui page", "hagbui forge tender", "hagbui herald", "hagbui squire" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 118,
  "utility" : 66.0,
  "delve_text" : "Realm: Midgard\n \nMagical Bonuses:\n- Runecarving: 3 pts\n- Summoning: 3 pts\n- Augmentation: 3 pts\n- Mending: 3 pts\n- Hits: 12 pts\n \nBonus to hit points bonus cap: 12\n \n \nBonus Level: 27\n",
  "slot" : 4,
  "artifact" : false,
  "material" : 0,
  "name" : "Jewel of Vanera Swamp",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "id" : 4523,
  "category" : 5,
  "bonuses" : [ {
    "id" : 42,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 48,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 30,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 29,
    "type" : 2,
    "value" : 3
  }, {
    "type" : 4,
    "value" : 12
  }, {
    "type" : 29,
    "value" : 12
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?