Worked Wormhide Wrap

Jewelry Bracer

Item Details

Utility 78
Bonus Level 39
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 30
Slash Resist 8%
Cold Resist 8%
Spirit Resist 8%
ToA
Toa Cast Speed 2%

Primary Ability

Health Regen Level 50
Charge (30 max)

Secondary Ability

Physical Health Buffer Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 50
  },
  "bonus_level" : 39,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Beliathan" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 598,
  "utility" : 78.0,
  "delve_text" : " \nMagical Bonuses:\n- Dexterity: 30 pts\n- Slash: 8%\n- Cold: 8%\n- Spirit: 8%\n \nLevel Requirement: 50 Level\n \nBonus to casting speed: 2%\n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: health regen\n \nTarget regenerates health during the duration of the spell.\n \nValue: 52\nTarget: Self\nDuration: 20 sec\nCasting time: instant\n \n- This spell is cast when the item is used.\n \nSecondary Charged Magic Item:\n- 30 Charges\n- 30 Max\n \nAdds a shield to the recipient which will temporarily absorb some of the damage type specified.\n \nAbsorption: 50%\nValue: 150\nTarget: Self\nDuration: 10:00 min\nCasting time:      3.0 sec\n \n- This spell is cast when the item is used.\n \nCan use item every: 1:30 min\n \n \nBonus Level: 39\n",
  "slot" : 13,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 12213,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  }, {
    "max_charges" : 30,
    "spell" : 8686,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 2
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Worked Wormhide Wrap",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 53345,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 1,
    "type" : 1,
    "value" : 30
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 8
  }, {
    "id" : 12,
    "type" : 5,
    "value" : 8
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 8
  }, {
    "type" : 21,
    "value" : 2,
    "requirement_id" : 5542
  } ],
  "ability_tags" : [ "fn_enhancement_health_regen", "fn_hit_buffer_physical" ]
}
How is utility calculated?