Gem of the Zephyr

Jewelry Jewel

Item Details

Utility 66
Bonus Level 37
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 48
Acuity 18
Heat Resist 7%
ToA
Toa Debuff Bonus 7%
Toa Spell Duration 7%

Primary Ability

Damage Shield Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 48114,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 37,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Keres" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 114,
  "utility" : 66.0,
  "delve_text" : " \nMagical Bonuses:\n- Acuity: 18 pts\n- Heat: 7%\n- Hits: 48 pts\n \nLevel Requirement: 49 Level\n \nBonus to stat debuff spell effectiveness: 7%\nBonus to duration of spells: 7%\n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: damage shield\nDamage: 3.3\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: 1:30 min\n \n \nBonus Level: 37\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3804,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Gem of the Zephyr",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 32416,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "type" : 15,
    "value" : 7
  }, {
    "id" : 10,
    "type" : 1,
    "value" : 18
  }, {
    "id" : 10,
    "type" : 5,
    "value" : 7
  }, {
    "type" : 13,
    "value" : 7
  }, {
    "type" : 4,
    "value" : 48
  } ],
  "ability_tags" : [ "fn_dmg_shield" ]
}
How is utility calculated?