Faerie Ring of Harmony

Jewelry Ring

Item Details

Utility 27.67
Bonus Level 15
Dyeable No
Sellable No
Tradeable Yes

Restrictions

Level Required Any
Usable By
Bard

Magical Bonuses

Basic
Slash Resist 4%
Charisma 7
Music 3

Raw Item JSON

{
  "requirements" : {
    "usable_by" : [ 48 ]
  },
  "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- Bard\n \nMagical Bonuses:\n- Slash: 4%\n- Music: 3 pts\n- Charisma: 7 pts\n \n \nCannot be sold to merchants.\n \nBonus Level: 15\n",
  "slot" : 15,
  "artifact" : false,
  "material" : 10,
  "name" : "Faerie Ring of Harmony",
  "usable_by" : [ 48 ],
  "realm" : 0,
  "id" : 2248,
  "category" : 5,
  "bonuses" : [ {
    "id" : 2,
    "type" : 5,
    "value" : 4
  }, {
    "id" : 109,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 7
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?