Ancient Brass-Shod Staff of the Shade

Weapon Staff Two Handed

Item Details

Utility 20
Bonus Level 18
Dyeable No
Sellable No
Tradeable Yes
Damage Info
DPS 16.2
Speed 5
Base Quality 100%

Restrictions

Level Required 48
Usable By
Necromancer

Magical Bonuses

Basic
Intelligence 30
Focus
Deathsight 50
Painworking 50
Death Servant 50

Primary Ability

Direct Damage Level 48
Charge (30 max)


Raw Item JSON

{
  "requirements" : {
    "usable_by" : [ 12 ],
    "level_required" : 48
  },
  "type_data" : {
    "damage_type" : 1,
    "left_handed" : 0,
    "dps" : 16.2,
    "base_quality" : 100,
    "two_handed" : 1,
    "skill_used" : 47,
    "clamped_dps" : 16.2,
    "speed" : 5
  },
  "bonus_level" : 18,
  "sources" : {
    "monsters" : {
      "one_time_drop" : [ "Honayt'rt", "Tas'shyo" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false,
    "no_sell" : true
  },
  "icon" : 1169,
  "utility" : 20.0,
  "delve_text" : " \nUsable By: \n- Necromancer\n \nMagical Bonuses:\n- Intelligence: 30 pts\n \nFocus Bonuses:\n- Death Servant: 50 lvls\n- Deathsight: 50 lvls\n- Painworking: 50 lvls\n \nLevel Requirement: 48 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: direct damage\n \nDamages the target.\n \nDamage: 331\nTarget: Targeted\nRange: 1500\nCasting time:      2.0 sec\nDamage: Cold\n \n- This spell is cast when the item is used.\n \nDamage Modifiers:\n- 16.2 Base DPS\n- 5.0 Weapon Speed\n- 100% Quality / 82% Condition\n- Damage Type: Crush\n \n- Effective Damage: 13.3 DPS\n \nCan use item every: 1:30 min\n \nCannot be sold to merchants.\n \nBonus Level: 18\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3866,
    "magic_type" : 6,
    "power_level" : 48,
    "position" : 1
  } ],
  "salvage_amount" : 33,
  "artifact" : false,
  "material" : 71,
  "name" : "Ancient Brass-Shod Staff of the Shade",
  "usable_by" : [ 12 ],
  "realm" : 0,
  "id" : 33225,
  "category" : 1,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 4,
    "type" : 1,
    "value" : 30
  }, {
    "id" : 122,
    "type" : 6,
    "value" : 50
  }, {
    "id" : 120,
    "type" : 6,
    "value" : 50
  }, {
    "id" : 121,
    "type" : 6,
    "value" : 50
  } ],
  "ability_tags" : [ "fn_direct" ]
}
How is utility calculated?