Spellbound Cerulean Barbed Spear

Weapon Celtic Spear Two Handed

Item Details

Utility 22.67
Bonus Level 10
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 8.7
Speed 5.1
Base Quality 99%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 7
Heat Resist 4%
Celtic Spear 2

Raw Item JSON

{
  "sell_value" : 4176,
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 8.7,
    "base_quality" : 99,
    "two_handed" : 1,
    "skill_used" : 112,
    "clamped_dps" : 8.7,
    "speed" : 5.1
  },
  "bonus_level" : 10,
  "sources" : {
    "stores" : [ "Hib Aurulite 20" ]
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 475,
  "utility" : 22.666666666666664,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Celtic Spear: 2 pts\n- Dexterity: 7 pts\n- Heat: 4%\n \n \nDamage Modifiers:\n- 8.7 Base DPS\n- 5.1 Weapon Speed\n- 99% Quality / 70% Condition\n- Damage Type: Thrust\n \n- Effective Damage: 6.0 DPS\n \n \nBonus Level: 10\n",
  "salvage_amount" : 15,
  "artifact" : false,
  "material" : 62,
  "name" : "Spellbound Cerulean Barbed Spear",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 46226,
  "category" : 1,
  "bonuses" : [ {
    "id" : 112,
    "type" : 2,
    "value" : 2
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 7
  }, {
    "id" : 10,
    "type" : 5,
    "value" : 4
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?