Durval's Staff of Blindness

Weapon Staff Two Handed

Item Details

Utility 36
Bonus Level 15
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 16.2
Speed 4.6
Base Quality 94%

Restrictions

Level Required Any
Usable By
Sorcerer
Cabalist

Magical Bonuses

Basic
Hit Points 32
Slash Resist 4%
Matter Magic 2
Spirit Magic 2

Raw Item JSON

{
  "sell_value" : 37718,
  "requirements" : {
    "usable_by" : [ 8, 13 ]
  },
  "type_data" : {
    "damage_type" : 1,
    "left_handed" : 0,
    "dps" : 16.2,
    "base_quality" : 94,
    "two_handed" : 1,
    "skill_used" : 47,
    "clamped_dps" : 16.2,
    "speed" : 4.6
  },
  "bonus_level" : 15,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Durval" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 327,
  "utility" : 36.0,
  "delve_text" : "Realm: Albion\n \nUsable By: \n- Cabalist\n- Sorcerer\n \nMagical Bonuses:\n- Matter Magic: 2 pts\n- Spirit Magic: 2 pts\n- Slash: 4%\n- Hits: 32 pts\n \n \nDamage Modifiers:\n- 16.2 Base DPS\n- 4.6 Weapon Speed\n- 94% Quality / 77% Condition\n- Damage Type: Crush\n \n- Effective Damage: 11.7 DPS\n \n \nBonus Level: 15\n",
  "salvage_amount" : 30,
  "artifact" : false,
  "material" : 71,
  "name" : "Durval's Staff of Blindness",
  "usable_by" : [ 8, 13 ],
  "realm" : 1,
  "id" : 18188,
  "category" : 1,
  "bonuses" : [ {
    "id" : 71,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 73,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 4
  }, {
    "type" : 4,
    "value" : 32
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?