Old Dark Mother Brooch of Blood

Jewelry Jewel

Item Details

Utility 71
Bonus Level 36
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 12
Constitution 18
Cold Resist 7%
Matter Resist 7%
Spirit Resist 7%
Energy Resist 7%

Primary Ability

Damage Shield Level 50
Charge (30 max)

Secondary Ability

Heal Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37718,
  "requirements" : {
    "level_required" : 50
  },
  "bonus_level" : 36,
  "sources" : {
    "stores" : [ "Expansion Gear (Realm 0) (ME)" ]
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 509,
  "utility" : 71.0,
  "delve_text" : " \nMagical Bonuses:\n- Matter: 7%\n- Cold: 7%\n- Spirit: 7%\n- Energy: 7%\n- Constitution: 18 pts\n- Hits: 12 pts\n \nLevel Requirement: 50 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: damage shield\nDamage: 5.1\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\nFunction: heal\n \nHeals the target.\n \nValue: 230\nTarget: Self\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: 36\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 12205,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  }, {
    "max_charges" : 30,
    "spell" : 12206,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 2
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Old Dark Mother Brooch of Blood",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 53370,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 15,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 12,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 22,
    "type" : 5,
    "value" : 7
  }, {
    "id" : 2,
    "type" : 1,
    "value" : 18
  }, {
    "type" : 4,
    "value" : 12
  } ],
  "ability_tags" : [ "fn_dmg_shield", "fn_heal" ]
}
How is utility calculated?