Polished Granite Staff of Cold

Weapon Staff Two Handed

Item Details

Utility 41
Bonus Level 24
Dyeable No
Sellable Yes
Tradeable Yes
Damage Info
DPS 16.5
Speed 4.5
Base Quality 100%

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Acuity 18
All Casting 3
Focus
All Focus 50
ToA
Toa Power Pool 7%

Primary Ability

Direct Damage Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 77631,
  "requirements" : {
    "level_required" : 50
  },
  "type_data" : {
    "damage_type" : 1,
    "left_handed" : 0,
    "dps" : 16.5,
    "base_quality" : 100,
    "two_handed" : 1,
    "skill_used" : 47,
    "clamped_dps" : 16.5,
    "speed" : 4.5
  },
  "bonus_level" : 24,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "granite giant oracle", "Elinkueth", "Preniceth", "Runicaath", "Dyronith", "Koma", "Amrateth", "Kjorlakath", "Sarnvasath", "Albion Dragon Loot Origins - Kill Me" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 568,
  "utility" : 41.0,
  "delve_text" : "Realm: Albion\n \nMagical Bonuses:\n- Power: 7 % of power pool.\n- ALL magic skills: 3 pts\n- Acuity: 18 pts\n \nFocus Bonuses:\n- ALL spell lines: 50 lvls\n \nLevel Requirement: 50 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: direct damage\n \nDamages the target.\n \nDamage: 331\nTarget: Targeted\nRange: 1500\nCasting time:      2.0 sec\nDamage: Cold\n \n- This spell is cast when the item is used.\n \nDamage Modifiers:\n- 16.5 Base DPS\n- 4.5 Weapon Speed\n- 100% Quality / 77% Condition\n- Damage Type: Crush\n \n- Effective Damage: 12.7 DPS\n \nCan use item every: 2:00 min\n \n \nBonus Level: 24\n",
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3866,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  } ],
  "salvage_amount" : 99,
  "artifact" : false,
  "material" : 71,
  "name" : "Polished Granite Staff of Cold",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 12082,
  "category" : 1,
  "use_duration" : 120,
  "bonuses" : [ {
    "type" : 34,
    "value" : 7
  }, {
    "id" : 304,
    "type" : 6,
    "value" : 50
  }, {
    "id" : 303,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 18
  } ],
  "ability_tags" : [ "fn_direct" ]
}
How is utility calculated?