Gemstone of Swirling Energy

High Utility Jewelry Jewel

Item Details

Utility 113
Bonus Level 47
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 50
Crush Resist 9%
All Melee 3
All Casting 3
ToA
Toa Hit Points Cap 50
Toa Power Pool 5%
Toa Melee Damage 3%
Toa Cast Speed 3%

Primary Ability

Stat Enhancement Level 50
Charge (30 max)

Secondary Ability

Resistance Enhancement Level 50
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 50
  },
  "bonus_level" : 47,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Ard Tiarna Kieren" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 116,
  "utility" : 113.0,
  "delve_text" : " \nMagical Bonuses:\n- ALL melee weapon skills: 3 pts\n- ALL magic skills: 3 pts\n- Hits: 50 pts\n- Crush: 9%\n- Power: 5 % of power pool.\n \nLevel Requirement: 50 Level\n \nBonus to hit points bonus cap: 50\nBonus to melee damage: 3%\nBonus to casting speed: 3%\n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: stat enhancement\n \nEnhances the target's listed stat.\n \nDexterity bonus: 50\nTarget: Self\nDuration: 10:00 min\nCasting time: instant\n \nAlso casts:\nFunction: stat enhancement\n \nEnhances the target's listed stat.\n \nConstitution bonus: 50\nTarget: Self\nDuration: 10:00 min\nCasting time: instant\n \n \n- This spell is cast when the item is used.\n \nSecondary Charged Magic Item:\n- 30 Charges\n- 30 Max\nFunction: resistance enhancement\n \nEnhances the target's resistance to the listed damage type.\n \nResist crush/slash/thrust: 10\nTarget: Self\nDuration: 10:00 min\nCasting time:      3.0 sec\n \n- This spell is cast when the item is used.\n \nCan use item every: 10:00 min\n \n \nBonus Level: 47\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 1584,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 1
  }, {
    "max_charges" : 30,
    "spell" : 12901,
    "magic_type" : 6,
    "power_level" : 50,
    "position" : 2
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Gemstone of Swirling Energy",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 18020,
  "category" : 5,
  "use_duration" : 600,
  "bonuses" : [ {
    "id" : 300,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 303,
    "type" : 2,
    "value" : 3
  }, {
    "type" : 4,
    "value" : 50
  }, {
    "type" : 29,
    "value" : 50
  }, {
    "id" : 1,
    "type" : 5,
    "value" : 9
  }, {
    "type" : 34,
    "value" : 5
  }, {
    "type" : 8,
    "value" : 3,
    "requirement_id" : 5542
  }, {
    "type" : 21,
    "value" : 3
  } ],
  "ability_tags" : [ "fn_resistance", "fn_stat" ]
}
How is utility calculated?