Cloak of Webweaver's Silk

Jewelry Cloak

Item Details

Utility 42.67
Bonus Level 23
Dyeable Yes
Sellable Yes
Tradeable Yes

Restrictions

Level Required 40
Usable By
All Classes

Magical Bonuses

Basic
Strength 15
Hit Points 24
Constitution 19
Body Resist 3%
ToA
ToA Overcap - Constitution 4

Primary Ability

Health Regen Level 40
Charge (10 max)


Raw Item JSON

{
  "sell_value" : 20668,
  "requirements" : {
    "level_required" : 40
  },
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Webweaver" ]
    }
  },
  "bonus_level" : 23,
  "flags" : {
    "dyable" : true,
    "emblemizable" : true
  },
  "icon" : 558,
  "utility" : 42.666666666666664,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Strength: 15 pts\n- Constitution: 19 pts\n- Hits: 24 pts\n- Body: 3%\n \nLevel Requirement: 40 Level\n \nBonus to Constitution attribute bonus cap: 4\n \nCharged Magic Ability:\n- 10 Charges\n- 10 Max\nFunction: health regen\n \nTarget regenerates health during the duration of the spell.\n \nValue: 40\nTarget: Self\nDuration: 20 sec\nCasting time: instant\n \n- This spell is cast when the item is used.\n \nCan use item every: 1:30 min\n \n \nBonus Level: 23\n",
  "slot" : 6,
  "abilities" : [ {
    "max_charges" : 10,
    "spell" : 3785,
    "magic_type" : 6,
    "power_level" : 40,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 1,
  "name" : "Cloak of Webweaver's Silk",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "dye_type" : 0,
  "id" : 39921,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 0,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 2,
    "type" : 1,
    "value" : 19
  }, {
    "id" : 2,
    "type" : 28,
    "value" : 4
  }, {
    "type" : 4,
    "value" : 24
  }, {
    "id" : 16,
    "type" : 5,
    "value" : 3
  } ],
  "ability_tags" : [ "fn_enhancement_health_regen" ]
}
How is utility calculated?