Runed Bow of Ill Omen

Weapon Longbow Two Handed

Item Details

Utility 63
Bonus Level 34
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 15.6
Speed 5.7
Base Quality 100%

Restrictions

Level Required 39
Usable By
All Classes

Magical Bonuses

Basic
Dexterity 27
All Archery 5
ToA
Toa Archery Speed 2%
ToA Overcap - Dexterity 5

Primary Ability

Dmg-Over-Time Level 39
Offensive Proc


Raw Item JSON

{
  "sell_value" : 472500,
  "requirements" : {
    "level_required" : 39
  },
  "type_data" : {
    "damage_type" : 3,
    "left_handed" : 0,
    "dps" : 15.6,
    "base_quality" : 100,
    "range" : 1800,
    "two_handed" : 1,
    "skill_used" : 90,
    "clamped_dps" : 15.6,
    "speed" : 5.7
  },
  "bonus_level" : 34,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Mikolas", "Wizard Lichas", "Shade of Uther Pendragon", "Shade of Ambrosius Aurelianus", "Lifeblighter", "High Priestess Ywera", "Albino Grugner" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 570,
  "utility" : 63.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Dexterity: 27 pts\n- ALL archery skills: 5 pts\n \nLevel Requirement: 39 Level\n \nBonus to Dexterity attribute bonus cap: 5\nBonus to archery speed: 2%\n \nMagical Ability:\nFunction: dmg-over-time\n \nInflicts damage to the target repeatedly over a given time period.\n \nDamage per tick: 57\nTarget: Targeted\nRange: 1500\nDuration: 20 sec\nFrequency:      5.0 sec\nCasting time: instant\nDamage: Heat\n \n- Spell has a chance of casting when this weapon strikes an enemy.\n \nDamage Modifiers:\n- 15.6 Base DPS\n- 5.7 Weapon Speed\n- 100% Quality / 79% Condition\n- Damage Type: Thrust\n- Base Range: 1800\n \n- Effective Damage: 12.3 DPS\n \n \nBonus Level: 34\n",
  "abilities" : [ {
    "spell" : 3772,
    "magic_type" : 1,
    "power_level" : 39,
    "position" : 1
  } ],
  "salvage_amount" : 36,
  "artifact" : false,
  "material" : 71,
  "name" : "Runed Bow of Ill Omen",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 41175,
  "category" : 1,
  "bonuses" : [ {
    "id" : 1,
    "type" : 1,
    "value" : 27
  }, {
    "id" : 302,
    "type" : 2,
    "value" : 5
  }, {
    "id" : 1,
    "type" : 28,
    "value" : 5
  }, {
    "type" : 20,
    "value" : 2
  } ],
  "ability_tags" : [ "fn_dot" ]
}
How is utility calculated?