Ring of Fire

Artifact Jewelry Ring

Item Details

Utility 54
Bonus Level 21
Dyeable No
Sellable No
Tradeable No

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 40
Acuity 15
Cold Resist 6%
ToA
Toa Power Pool 6%
Toa Spell Duration 5%

Primary Ability

Dmg-Over-Time Level 45
Charge

Secondary Ability

Defensive Proc Level 45
Charge


Raw Item JSON

{
  "bonus_level" : 21,
  "sources" : {
    "quests" : [ "Ring of Fire" ]
  },
  "flags" : {
    "dyable" : false,
    "no_sell" : true,
    "emblemizable" : false,
    "no_drop" : true,
    "no_trade" : true
  },
  "icon" : 1888,
  "utility" : 54.0,
  "delve_text" : "Realm: Hibernia\n \nArtifact\n  (Earns exp: Slaying enemies and monsters found anywhere.)\n \nMagical Bonuses:\n- Acuity: 15 pts\n- Hits: 40 pts\n- [L2]: Cold: 6%\n- [L4]: Power: 6 % of power pool.\n \n[L6]: Bonus to duration of spells: 5%\n \n[L5]: Magical Ability:\nFunction: dmg-over-time\n \nInflicts damage to the target repeatedly over a given time period.\n \nDamage per tick: 40\nTarget: Targeted\nRange: 350\nDuration: 20 sec\nFrequency:      5.0 sec\nCasting time: instant\nDamage: Body\n \nAlso casts:\nFunction: speed decrease\n \nTarget moves slower for the spell's duration.\n \nValue: 35%\nTarget: Targeted\nRange: 350\nDuration: 20 sec\nCasting time: instant\nDamage: Body\n \n \n- This spell is cast when the item is used.\n \n[L10]: Secondary Magical Ability:\nFunction: defensive proc\nTarget: Self\nDuration: 5:00 min\nCasting time:      2.0 sec\n \nSub-spell:\nFunction: stat drain\n \nDecreases the target's listed stat(s) and transfers them to the caster.\n \nDex/Qui decrease: 20\nTarget: Targeted\nRange: 350\nDuration: 1:00 min\nCasting time: instant\nDamage: Body\n \nAlso casts:\nFunction: melee health buffer\n \nAdds a shield to the recipient which will temporarily absorb some of the damage type specified.\n \nAbsorption: 100%\nValue: 100\nTarget: Self\nDuration: 30 sec\nCasting time: instant\n \n \n \n- This spell is cast when the item is used.\n \nCan use item every: 15:00 min\n \nCannot be dropped.\nCannot be traded to other players.\nCannot be sold to merchants.\n \nBonus Level: 21\n",
  "slot" : 15,
  "abilities" : [ {
    "spell" : 8733,
    "magic_type" : 6,
    "power_level" : 45,
    "position" : 1,
    "level_required" : 5
  }, {
    "spell" : 8734,
    "magic_type" : 6,
    "power_level" : 45,
    "position" : 2,
    "level_required" : 10
  } ],
  "artifact" : true,
  "material" : 0,
  "name" : "Ring of Fire",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "id" : 54484,
  "category" : 5,
  "use_duration" : 900,
  "bonuses" : [ {
    "id" : 10,
    "type" : 1,
    "value" : 15
  }, {
    "type" : 4,
    "value" : 40
  }, {
    "level_required" : 2,
    "id" : 12,
    "type" : 5,
    "value" : 6
  }, {
    "level_required" : 4,
    "type" : 34,
    "value" : 6
  }, {
    "level_required" : 6,
    "type" : 13,
    "value" : 5
  } ],
  "ability_tags" : [ "fn_def_proc", "fn_dot" ],
  "artifact_pre_leveled" : false
}
How is utility calculated?