Goblin Staff of Siphoning

Weapon Staff Two Handed

Item Details

Utility 34.33
Bonus Level 19
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 12.0
Speed 4.7
Base Quality 97%

Restrictions

Level Required Any
Usable By
Spiritmaster
Runemaster
Bonedancer
Warlock

Magical Bonuses

Basic
Dexterity 7
Acuity 7
Suppression 3
Focus
All Focus 36
ToA
Toa Power Pool 5%

Raw Item JSON

{
  "sell_value" : 16248,
  "requirements" : {
    "usable_by" : [ 27, 29, 30, 59 ]
  },
  "type_data" : {
    "damage_type" : 1,
    "left_handed" : 0,
    "dps" : 12.0,
    "base_quality" : 97,
    "two_handed" : 1,
    "skill_used" : 47,
    "clamped_dps" : 12.0,
    "speed" : 4.7
  },
  "bonus_level" : 19,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Apprentice Frorik" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 566,
  "utility" : 34.33333333333333,
  "delve_text" : "Realm: Midgard\n \n Usable By: Spiritmaster, Runemaster,\n Bonedancer, Warlock\n \nMagical Bonuses:\n- Suppression: 3 pts\n- Power: 5 % of power pool.\n- Dexterity: 7 pts\n- Acuity: 7 pts\n \nFocus Bonuses:\n- ALL spell lines: 36 lvls\n \n \nDamage Modifiers:\n- 12.0 Base DPS\n- 4.7 Weapon Speed\n- 97% Quality / 70% Condition\n- Damage Type: Crush\n \n- Effective Damage: 8.1 DPS\n \n \nBonus Level: 19\n",
  "salvage_amount" : 36,
  "artifact" : false,
  "material" : 38,
  "name" : "Goblin Staff of Siphoning",
  "usable_by" : [ 27, 29, 30, 59 ],
  "realm" : 2,
  "id" : 49364,
  "category" : 1,
  "bonuses" : [ {
    "id" : 39,
    "type" : 2,
    "value" : 3
  }, {
    "type" : 34,
    "value" : 5
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 304,
    "type" : 6,
    "value" : 36
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?