Bangle of the Watery Underground

Jewelry Bracer

Item Details

Utility 24
Bonus Level 12
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 25
Usable By
All Classes

Magical Bonuses

Basic
Strength 9
Hit Points 24
Constitution 9
Slash Resist 3%

Primary Ability

Armor Factor Buff Level 25
Charge (10 max)


Raw Item JSON

{
  "sell_value" : 7534,
  "requirements" : {
    "level_required" : 25
  },
  "bonus_level" : 12,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Raven" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 619,
  "utility" : 24.0,
  "delve_text" : " \nMagical Bonuses:\n- Strength: 9 pts\n- Constitution: 9 pts\n- Hits: 24 pts\n- Slash: 3%\n \nLevel Requirement: 25 Level\n \n \nCharged Magic Ability:\n- 10 Charges\n- 10 Max\nFunction: shield\n \nAdds to the recipient's Armor Factor (AF), resulting in better protection against some forms of attack. It acts in addition to any armor the target is wearing.\n \nValue: 35\nTarget: Self\nDuration: 10:00 min\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: 12\n",
  "slot" : 13,
  "abilities" : [ {
    "max_charges" : 10,
    "spell" : 10167,
    "magic_type" : 6,
    "power_level" : 25,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Bangle of the Watery Underground",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 49272,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 0,
    "type" : 1,
    "value" : 9
  }, {
    "id" : 2,
    "type" : 1,
    "value" : 9
  }, {
    "type" : 4,
    "value" : 24
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 3
  } ],
  "ability_tags" : [ "fn_shield" ]
}
How is utility calculated?