Eye of Fenrir's Spawn

Jewelry Jewel

Item Details

Utility 54
Bonus Level 29
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Crush Resist 6%
Slash Resist 6%
Quickness 15
Stealth 4

Primary Ability

Improved Stat Decrease Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37719,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 29,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Spiorad Sciath Drudge", "Hurjavelen" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 114,
  "utility" : 54.0,
  "delve_text" : " \nMagical Bonuses:\n- Stealth: 4 pts\n- Quickness: 15 pts\n- Crush: 6%\n- Slash: 6%\n \nLevel Requirement: 49 Level\n \n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: improved stat decrease\n \nDecreases the target's listed stat(s).\n \nStr/Con decrease: 56\nTarget: Targeted\nRange: 300\nDuration: 1:00 min\nCasting time: instant\nDamage: Body\n \n- This spell is cast when the item is used.\n \nCan use item every: 1:30 min\n \n \nBonus Level: 29\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3842,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Eye of Fenrir's Spawn",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 23855,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "id" : 19,
    "type" : 2,
    "value" : 4
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 15
  }, {
    "id" : 1,
    "type" : 5,
    "value" : 6
  }, {
    "id" : 2,
    "type" : 5,
    "value" : 6
  } ],
  "ability_tags" : [ "fn_ntwostat" ]
}
How is utility calculated?