Gem of Shadowy Intentions

Jewelry Jewel

Item Details

Utility 27
Bonus Level 9
Dyeable No
Sellable No
Tradeable Yes

Restrictions

Level Required Any
Usable By
Infiltrator

Magical Bonuses

Basic
Hit Points 20
Slash Resist 1%
Stealth 2
Critical Strike 2

Raw Item JSON

{
  "requirements" : {
    "usable_by" : [ 9 ]
  },
  "bonus_level" : 9,
  "sources" : {
    "monsters" : {
      "one_time_drop" : [ "Captain Rhodri" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false,
    "no_sell" : true
  },
  "icon" : 116,
  "utility" : 27.0,
  "delve_text" : "Realm: Albion\n \nUsable By: \n- Infiltrator\n \nMagical Bonuses:\n- Stealth: 2 pts\n- Critical Strike: 2 pts\n- Hits: 20 pts\n- Slash: 1%\n \n \nCannot be sold to merchants.\n \nBonus Level: 9\n",
  "slot" : 4,
  "artifact" : false,
  "material" : 0,
  "name" : "Gem of Shadowy Intentions",
  "usable_by" : [ 9 ],
  "realm" : 1,
  "id" : 6708,
  "category" : 5,
  "bonuses" : [ {
    "id" : 19,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 118,
    "type" : 2,
    "value" : 2
  }, {
    "type" : 4,
    "value" : 20
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 1
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?