Spellbound Cobalt Short Bow

Weapon Bow Two Handed

Item Details

Utility 20
Bonus Level 10
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 14.7
Speed 4.2
Base Quality 99%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 9
Constitution 6
Quickness 9
Spirit Resist 2%

Raw Item JSON

{
  "sell_value" : 28188,
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 14.7,
    "base_quality" : 99,
    "range" : 1200,
    "two_handed" : 1,
    "skill_used" : 4,
    "clamped_dps" : 14.7,
    "speed" : 4.2
  },
  "bonus_level" : 10,
  "sources" : {
    "stores" : [ "Alb Aurulite 40" ]
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 569,
  "utility" : 20.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Constitution: 6 pts\n- Dexterity: 9 pts\n- Quickness: 9 pts\n- Spirit: 2%\n \n \nDamage Modifiers:\n- 14.7 Base DPS\n- 4.2 Weapon Speed\n- 99% Quality / 70% Condition\n- Damage Type: Thrust\n- Base Range: 1200\n \n- Effective Damage: 10.2 DPS\n \n \nBonus Level: 10\n",
  "salvage_amount" : 12,
  "artifact" : false,
  "material" : 39,
  "name" : "Spellbound Cobalt Short Bow",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 45755,
  "category" : 1,
  "bonuses" : [ {
    "id" : 2,
    "type" : 1,
    "value" : 6
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 9
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 9
  }, {
    "id" : 17,
    "type" : 5,
    "value" : 2
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?