Gem of Fire Absorption

Jewelry Jewel

Item Details

Utility 20
Bonus Level 15
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Strength 6
Heat Resist 8%

Raw Item JSON

{
  "sell_value" : 7534,
  "bonus_level" : 15,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "mercenary tomb raider", "greenhorn poacher", "phantom squire", "bogman grappler" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 113,
  "utility" : 20.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Heat: 8%\n- Strength: 6 pts\n \n \n \nBonus Level: 15\n",
  "slot" : 4,
  "artifact" : false,
  "material" : 0,
  "name" : "Gem of Fire Absorption",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 22299,
  "category" : 5,
  "bonuses" : [ {
    "id" : 10,
    "type" : 5,
    "value" : 8
  }, {
    "id" : 0,
    "type" : 1,
    "value" : 6
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?