Faerie Ring of Silence

Jewelry Ring

Item Details

Utility 27.67
Bonus Level 15
Dyeable No
Sellable No
Tradeable Yes

Restrictions

Level Required Any
Usable By
Nightshade
Ranger

Magical Bonuses

Basic
Dexterity 7
Spirit Resist 4%
Celtic Dual 3

Raw Item JSON

{
  "requirements" : {
    "usable_by" : [ 49, 50 ]
  },
  "bonus_level" : 15,
  "sources" : {
    "monsters" : {
      "one_time_drop" : [ "sharptoothed megafelid", "Touched" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false,
    "no_sell" : true
  },
  "icon" : 103,
  "utility" : 27.666666666666664,
  "delve_text" : " \nUsable By: \n- Nightshade\n- Ranger\n \nMagical Bonuses:\n- Spirit: 4%\n- Celtic Dual: 3 pts\n- Dexterity: 7 pts\n \n \nCannot be sold to merchants.\n \nBonus Level: 15\n",
  "slot" : 15,
  "artifact" : false,
  "material" : 10,
  "name" : "Faerie Ring of Silence",
  "usable_by" : [ 49, 50 ],
  "realm" : 0,
  "id" : 2247,
  "category" : 5,
  "bonuses" : [ {
    "id" : 17,
    "type" : 5,
    "value" : 4
  }, {
    "id" : 110,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?