standard composite bow

Weapon Composite Bow Two Handed

Item Details

Utility 8.33
Bonus Level 1
Dyeable Yes
Sellable Yes
Tradeable Yes
Damage Info
DPS 1.8
Speed 4.5
Base Quality 100%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Strength 3
Dexterity 1
Quickness 1
All Archery 1

Raw Item JSON

{
  "sell_value" : 280,
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 1.8,
    "base_quality" : 100,
    "range" : 1760,
    "two_handed" : 1,
    "skill_used" : 78,
    "clamped_dps" : 1.8,
    "speed" : 4.5
  },
  "bonus_level" : 1,
  "sources" : {
    "quests" : [ "[Journey] Hunter Specializations" ]
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 848,
  "utility" : 8.333333333333332,
  "delve_text" : "Realm: Midgard\n \n  (This weapon may be dyed with a player-crafted Weapon Luster.)\nMagical Bonuses:\n- Strength: 3 pts\n- Dexterity: 1 pts\n- Quickness: 1 pts\n- ALL archery skills: 1 pts\n \n \nDamage Modifiers:\n- 1.8 Base DPS\n- 4.5 Weapon Speed\n- 100% Quality / 100% Condition\n- Damage Type: Thrust\n- Base Range: 1760\n \n- Effective Damage: 1.8 DPS\n \n \nBonus Level: 1\n",
  "salvage_amount" : 6,
  "artifact" : false,
  "material" : 30,
  "name" : "standard composite bow",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "dye_type" : 0,
  "id" : 64418,
  "category" : 1,
  "bonuses" : [ {
    "id" : 0,
    "type" : 1,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 1
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 1
  }, {
    "id" : 302,
    "type" : 2,
    "value" : 1
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?