Maleficent Darkspire Drum

Instrument

Item Details

Utility 70
Bonus Level 39
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Armor Factor (AF) 10
Charisma 18
Heat Resist 6%
Cold Resist 6%
ToA
Toa Spell Duration 5%
ToA Overcap - Charisma 7

Primary Ability

Lifedrain Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 39,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Scitalis" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 2977,
  "utility" : 70.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Charisma: 18 pts\n- Cold: 6%\n- Heat: 6%\n \nLevel Requirement: 49 Level\n \nBonus to Charisma attribute bonus cap: 7\nBonus to duration of spells: 5%\nBonus to armor factor (AF): 10\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: Body\n \n- This spell is cast when the item is used.\n \n \nBonus Level: 39\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3832,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "salvage_amount" : 5,
  "artifact" : false,
  "material" : 71,
  "name" : "Maleficent Darkspire Drum",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 32638,
  "category" : 4,
  "bonuses" : [ {
    "id" : 7,
    "type" : 1,
    "value" : 18
  }, {
    "id" : 7,
    "type" : 28,
    "value" : 7
  }, {
    "id" : 12,
    "type" : 5,
    "value" : 6
  }, {
    "id" : 10,
    "type" : 5,
    "value" : 6
  }, {
    "type" : 13,
    "value" : 5
  }, {
    "type" : 22,
    "value" : 10
  } ],
  "ability_tags" : [ "fn_lifedrain" ]
}
How is utility calculated?