Sidhe Spine Barbed Spear

Weapon Celtic Spear Two Handed

Item Details

Utility 17.67
Bonus Level 11
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 12.0
Speed 5.6
Base Quality 89%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Strength 4
Celtic Spear 3

Raw Item JSON

{
  "sell_value" : 16248,
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 12.0,
    "base_quality" : 89,
    "two_handed" : 1,
    "skill_used" : 112,
    "clamped_dps" : 12.0,
    "speed" : 5.6
  },
  "bonus_level" : 11,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "koalinth slinker", "merman" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 475,
  "utility" : 17.666666666666668,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Celtic Spear: 3 pts\n- Strength: 4 pts\n \n \nDamage Modifiers:\n- 12.0 Base DPS\n- 5.6 Weapon Speed\n- 89% Quality / 84% Condition\n- Damage Type: Thrust\n \n- Effective Damage: 9.0 DPS\n \n \nBonus Level: 11\n",
  "salvage_amount" : 168,
  "artifact" : false,
  "material" : 65,
  "name" : "Sidhe Spine Barbed Spear",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 8321,
  "category" : 1,
  "bonuses" : [ {
    "id" : 112,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 0,
    "type" : 1,
    "value" : 4
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?