Cloak of the Loyal Necromancer

Artifact Jewelry Cloak

Item Details

Utility 77
Bonus Level 50
Dyeable Yes
Sellable No
Tradeable No

Restrictions

Level Required Any
Usable By
Necromancer

Magical Bonuses

ToA
Toa Spell Range 2%
Toa Magic Damage 2%
Toa Melee Damage 2%
Toa Style Damage 2%
Toa Resistance Piercing 5%
Mythical
Mythical Cap Increase - Acuity 6

Primary Ability

Decrease Casting Speed Level 50
Charge

Secondary Ability

Arcane Leadership Level 50
Charge


Raw Item JSON

{
  "requirements" : {
    "usable_by" : [ 12 ]
  },
  "sources" : {
    "quests" : [ "[Class Cloak] Loyalty Rewarded", "[Class Cloak] Loyalty Needed", "[Class Cloak] Loyalty Needed" ]
  },
  "bonus_level" : 50,
  "flags" : {
    "dyable" : true,
    "emblemizable" : true,
    "no_sell" : true,
    "no_trade" : true
  },
  "icon" : 4627,
  "utility" : 77.0,
  "delve_text" : "Realm: Albion\n \nUsable By: \n- Necromancer\n \nArtifact\n  (Earns exp: Can be leveled by killing enemy players anywhere and by defeating monsters in the Frontiers, Darkness Falls, or any classic-world dungeons.)\n \nMagical Bonuses:\n- Mythical Stat Cap ( Acuity ): 6\n \n[L2]: Bonus to spell range: 2%\n[L3]: Bonus to magic damage: 2%\n[L6]: Bonus to melee damage: 2%\n[L7]: Bonus to style damage: 2%\n[L9]: Reduces enemy target's resistances versus all magic damage by 5%. Only resists gained from items are reduced.\n \n[L5]: Magical Ability:\n  (Single target debuff that penalizes the casting time of enemy casters by 75% for 25 seconds.)\n- This spell is cast when the item is used.\n \n[L10]: Secondary Magical Ability:\nFunction: Arcane Leadership\n \nTarget has improved spell range and ability to penetrate spell resists while within range of this aura. \n \nBonus: 10%\n \nTarget: Group\nRange: 1500\nDuration: 6 sec\nFrequency:      5.0 sec\nCasting time: instant\n \n- This spell is cast when the item is used.\n \nCan use item every: 15:00 min\n \nCannot be traded to other players.\nCannot be sold to merchants.\n \nBonus Level: 50\n",
  "slot" : 6,
  "abilities" : [ {
    "spell" : 6188,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1,
    "level_required" : 5
  }, {
    "spell" : 5888,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 2,
    "level_required" : 10
  } ],
  "artifact" : true,
  "material" : 1,
  "name" : "Cloak of the Loyal Necromancer",
  "usable_by" : [ 12 ],
  "realm" : 1,
  "dye_type" : 0,
  "id" : 19141,
  "category" : 5,
  "use_duration" : 900,
  "bonuses" : [ {
    "id" : 10,
    "type" : 64,
    "value" : 6
  }, {
    "level_required" : 2,
    "type" : 12,
    "value" : 2
  }, {
    "level_required" : 3,
    "type" : 9,
    "value" : 2
  }, {
    "level_required" : 6,
    "type" : 8,
    "value" : 2
  }, {
    "level_required" : 7,
    "type" : 10,
    "value" : 2
  }, {
    "level_required" : 9,
    "id" : 0,
    "type" : 32,
    "value" : 5
  } ],
  "ability_tags" : [ "fn_haste_decrease_casting_speed", "fn_aura_arcane_leadership" ],
  "artifact_pre_leveled" : false
}
How is utility calculated?