Goblin Gem of Destruction

Jewelry Jewel

Item Details

Utility 21.67
Bonus Level 19
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 20
Acuity 7
ToA
Toa Power Pool 5%
Catacombs
Bladeturn Reinforcement 5
Spell Power Cost Reduction (PvE) 1

Raw Item JSON

{
  "sell_value" : 18325,
  "bonus_level" : 19,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Apprentice Grugar" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 115,
  "utility" : 21.666666666666664,
  "delve_text" : " \nMagical Bonuses:\n- Power: 5 % of power pool.\n- Bladeturn reinforcement: 5% (PvE Only)\n- Acuity: 7 pts\n- Hits: 20 pts\n- Spell Power Cost Reduction: 1% (PvE Only)\n \n \n \nBonus Level: 19\n",
  "slot" : 4,
  "artifact" : false,
  "material" : 0,
  "name" : "Goblin Gem of Destruction",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 49372,
  "category" : 5,
  "bonuses" : [ {
    "type" : 34,
    "value" : 5
  }, {
    "type" : 50,
    "value" : 5
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 7
  }, {
    "type" : 4,
    "value" : 20
  }, {
    "type" : 37,
    "value" : 1
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?