Ivy Trimmed rapier

Weapon Piercing

Item Details

Utility 21.92
Bonus Level 12
Dyeable No
Sellable No
Tradeable Yes
Damage Info
DPS 11.7
Speed 2.7
Base Quality 100%

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 9
Dexterity 4
Quickness 3
Piercing 3

Raw Item JSON

{
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 11.7,
    "base_quality" : 100,
    "two_handed" : 0,
    "skill_used" : 103,
    "clamped_dps" : 11.7,
    "speed" : 2.7
  },
  "bonus_level" : 12,
  "sources" : {
    "monsters" : {
      "one_time_drop" : [ "Ruairi" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false,
    "no_sell" : true
  },
  "icon" : 455,
  "utility" : 21.916666666666668,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Piercing: 3 pts\n- Dexterity: 4 pts\n- Quickness: 3 pts\n- Hits: 9 pts\n \n \nDamage Modifiers:\n- 11.7 Base DPS\n- 2.7 Weapon Speed\n- 100% Quality / 85% Condition\n- Damage Type: Thrust\n \n- Effective Damage: 9.9 DPS\n \nCannot be sold to merchants.\n \nBonus Level: 12\n",
  "salvage_amount" : 16,
  "artifact" : false,
  "material" : 64,
  "name" : "Ivy Trimmed rapier",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 14904,
  "category" : 1,
  "bonuses" : [ {
    "id" : 103,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 4
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 3
  }, {
    "type" : 4,
    "value" : 9
  } ],
  "ability_tags" : [ ]
}
How is utility calculated?