Shimmering Drakescale Staff

Weapon Staff Two Handed

Item Details

Utility 34.67
Bonus Level 20
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 16.2
Speed 4.6
Base Quality 93%

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 40
Dexterity 15
Piety 22

Primary Ability

Lifedrain Level 49
Offensive Proc


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "type_data" : {
    "damage_type" : 1,
    "left_handed" : 0,
    "dps" : 16.2,
    "base_quality" : 93,
    "two_handed" : 1,
    "skill_used" : 47,
    "clamped_dps" : 16.2,
    "speed" : 4.6
  },
  "bonus_level" : 20,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Evern", "Levmared" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 19,
  "utility" : 34.666666666666664,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Piety: 22 pts\n- Dexterity: 15 pts\n- Hits: 40 pts\n \nLevel Requirement: 49 Level\n \n \nMagical Ability:\nFunction: lifedrain\n \nDamages the target. A portion of damage is used to heal the caster.\n \nDamage: 65\nHealth returned: 100% of damage dealt\nTarget: Targeted\nRange: 300\nCasting time: instant\nDamage: Body\n \n- Spell has a chance of casting when this weapon strikes an enemy.\n \nDamage Modifiers:\n- 16.2 Base DPS\n- 4.6 Weapon Speed\n- 93% Quality / 82% Condition\n- Damage Type: Crush\n \n- Effective Damage: 12.4 DPS\n \n \nBonus Level: 20\n",
  "abilities" : [ {
    "spell" : 3832,
    "magic_type" : 1,
    "power_level" : 49,
    "position" : 1
  } ],
  "salvage_amount" : 99,
  "artifact" : false,
  "material" : 38,
  "name" : "Shimmering Drakescale Staff",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 15624,
  "category" : 1,
  "bonuses" : [ {
    "id" : 5,
    "type" : 1,
    "value" : 22
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 15
  }, {
    "type" : 4,
    "value" : 40
  } ],
  "ability_tags" : [ "fn_lifedrain" ]
}
How is utility calculated?