Tir na mBeo Protector's Recurve Bow

Weapon Recurve Bow Two Handed

Item Details

Utility 20
Bonus Level 15
Dyeable Yes
Sellable Yes
Tradeable Yes
Damage Info
DPS 6.9
Speed 4.5
Base Quality 96%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
All Archery 4

Raw Item JSON

{
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 6.9,
    "base_quality" : 96,
    "range" : 1500,
    "two_handed" : 1,
    "skill_used" : 113,
    "clamped_dps" : 6.9,
    "speed" : 4.5
  },
  "bonus_level" : 15,
  "sources" : {
    "stores" : [ "hib2 weaponstore", "Hib3 Weapons Quartermaster" ]
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 132,
  "utility" : 20.0,
  "delve_text" : " \nMagical Bonuses:\n- ALL archery skills: 4 pts\n \n \nDamage Modifiers:\n- 6.9 Base DPS\n- 4.5 Weapon Speed\n- 96% Quality / 70% Condition\n- Damage Type: Thrust\n- Base Range: 1500\n \n- Effective Damage: 4.6 DPS\n \n \nBonus Level: 15\n",
  "artifact" : false,
  "material" : 34,
  "name" : "Tir na mBeo Protector's Recurve Bow",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "dye_type" : 0,
  "id" : 64214,
  "category" : 1,
  "bonuses" : [ {
    "id" : 302,
    "type" : 2,
    "value" : 4
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?