Tablet of Atlantis

Artifact Jewelry Jewel

Item Details

Utility 70
Bonus Level 17
Dyeable No
Sellable No
Tradeable No

Restrictions

Level Required Any
Usable By
All Classes

Magical Bonuses

Basic
Hit Points 40
Armor Factor (AF) 10
Acuity 15
All Casting 3
ToA
Toa Resistance Piercing 5%

Primary Ability

Illusion Level 40
Charge

Secondary Ability

Illusion Level 40
Charge


Raw Item JSON

{
  "bonus_level" : 17,
  "sources" : {
    "quests" : [ "Tablet of Atlantis" ]
  },
  "flags" : {
    "dyable" : false,
    "no_sell" : true,
    "emblemizable" : false,
    "no_drop" : true,
    "no_trade" : true
  },
  "icon" : 1886,
  "utility" : 70.0,
  "delve_text" : "Realm: Albion\n \nArtifact\n  (Earns exp: Slaying enemies and monsters found anywhere.)\n \nMagical Bonuses:\n- Acuity: 15 pts\n- [L1]: ALL magic skills: 3 pts\n- [L3]: Hits: 40 pts\n \n[L6]: Bonus to armor factor (AF): 10\n[L8]: Reduces enemy target's resistances versus all magic damage by 5%. Only resists gained from items are reduced.\n \n[L5]: Magical Ability:\nFunction: Illusion\n \nTarget has been shapechanged.\nTarget: Self\nDuration: 10:00 min\nCasting time: instant\n \n- This spell is cast when the item is used.\n \n[L10]: Secondary Magical Ability:\nFunction: Illusion\n \nTarget has been shapechanged.\nTarget: Self\nDuration: 10:00 min\nCasting time: instant\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: 17\n",
  "slot" : 4,
  "abilities" : [ {
    "spell" : 6941,
    "magic_type" : 6,
    "power_level" : 40,
    "position" : 1,
    "level_required" : 5
  }, {
    "spell" : 6929,
    "magic_type" : 6,
    "power_level" : 40,
    "position" : 2,
    "level_required" : 10
  } ],
  "artifact" : true,
  "material" : 0,
  "name" : "Tablet of Atlantis",
  "usable_by" : [ 0 ],
  "realm" : 1,
  "id" : 54392,
  "category" : 5,
  "use_duration" : 900,
  "bonuses" : [ {
    "id" : 10,
    "type" : 1,
    "value" : 15
  }, {
    "level_required" : 1,
    "id" : 303,
    "type" : 2,
    "value" : 3
  }, {
    "level_required" : 3,
    "type" : 4,
    "value" : 40
  }, {
    "level_required" : 6,
    "type" : 22,
    "value" : 10
  }, {
    "level_required" : 8,
    "id" : 0,
    "type" : 32,
    "value" : 5
  } ],
  "ability_tags" : [ "fn_illusion" ],
  "artifact_pre_leveled" : false
}
How is utility calculated?