Darkened Vine Lute

Instrument

Item Details

Utility 64.67
Bonus Level 33
Dyeable Yes
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 40
Charisma 22
Nurture 4
Music 4

Primary Ability

Lifedrain Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 33,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "hypogean beast", "Conservator" ]
    }
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 2979,
  "utility" : 64.66666666666666,
  "delve_text" : "Realm: Hibernia\n \n  (This item may be dyed with a Weapon Enamel obtained from slaying Shrouded Isles or Atlantis denizens.)\nMagical Bonuses:\n- Music: 4 pts\n- Nurture: 4 pts\n- Charisma: 22 pts\n- Hits: 40 pts\n \nLevel Requirement: 49 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\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: Cold\n \n- This spell is cast when the item is used.\n \nCan use item every: 1:00 min\n \n \nBonus Level: 33\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3834,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "salvage_amount" : 12,
  "artifact" : false,
  "material" : 71,
  "name" : "Darkened Vine Lute",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "dye_type" : 0,
  "id" : 21673,
  "category" : 4,
  "use_duration" : 60,
  "bonuses" : [ {
    "id" : 109,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 107,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 7,
    "type" : 1,
    "value" : 22
  }, {
    "type" : 4,
    "value" : 40
  } ],
  "ability_tags" : [ "fn_lifedrain" ]
}
How is utility calculated?