Erinys Charm

High Utility Artifact Jewelry Jewel

Item Details

Utility 110
Bonus Level 28
Dyeable No
Sellable No
Tradeable No

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 40
Crush Resist 5%
Constitution 15
Intelligence 15
Spirit Resist 5%
Energy Resist 5%
ToA
Toa Spell Range 5%
Toa Resistance Piercing 5%
Catacombs
Health Regeneration 6
Mana Regeneration 2

Raw Item JSON

{
  "bonus_level" : 28,
  "sources" : {
    "quests" : [ "Erinys' Charm" ]
  },
  "flags" : {
    "dyable" : false,
    "no_sell" : true,
    "emblemizable" : false,
    "no_drop" : true,
    "no_trade" : true
  },
  "icon" : 1886,
  "utility" : 110.0,
  "delve_text" : "Realm: Hibernia\n \nArtifact\n  (Earns exp: Slaying enemies and monsters found anywhere.)\n \nMagical Bonuses:\n- Hits: 40 pts\n- Intelligence: 15 pts\n- Constitution: 15 pts\n- [L1]: Crush: 5%\n- [L3]: Spirit: 5%\n- [L5]: Energy: 5%\n- [L5]: Health regeneration: 6 pts\n- [L10]: Power regeneration: 2 pts\n \n[L7]: Bonus to spell range: 5%\n[L10]: Reduces enemy target's resistances versus all magic damage by 5%. Only resists gained from items are reduced.\n \nCan use item every: 15:00 min\n \nCannot be dropped.\nCannot be traded to other players.\nCannot be sold to merchants.\n \nBonus Level: 28\n",
  "slot" : 4,
  "artifact" : true,
  "material" : 0,
  "name" : "Erinys Charm",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 54929,
  "category" : 5,
  "use_duration" : 900,
  "bonuses" : [ {
    "type" : 4,
    "value" : 40
  }, {
    "id" : 4,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 2,
    "type" : 1,
    "value" : 15
  }, {
    "level_required" : 1,
    "id" : 1,
    "type" : 5,
    "value" : 5
  }, {
    "level_required" : 3,
    "id" : 17,
    "type" : 5,
    "value" : 5
  }, {
    "level_required" : 5,
    "id" : 22,
    "type" : 5,
    "value" : 5
  }, {
    "level_required" : 7,
    "type" : 12,
    "value" : 5
  }, {
    "level_required" : 10,
    "id" : 0,
    "type" : 32,
    "value" : 5
  }, {
    "level_required" : 5,
    "type" : 40,
    "value" : 6
  }, {
    "level_required" : 10,
    "type" : 41,
    "value" : 2
  } ],
  "ability_tags" : [ ],
  "artifact_pre_leveled" : false
}
How is utility calculated?