Lachlen's Book of Tactics

Jewelry Jewel

Item Details

Utility 67
Bonus Level 35
Dyeable No
Sellable Yes
Tradeable Yes

Restrictions

Level Required 49
Usable By
All Classes

Magical Bonuses

Basic
Armor Factor (AF) 16
Hit Points 52
All Melee 3
ToA
Toa Melee Speed 2%
Toa Hit Points Cap 52

Primary Ability

Haste Level 49
Charge (30 max)


Raw Item JSON

{
  "sell_value" : 37718,
  "requirements" : {
    "level_required" : 49
  },
  "bonus_level" : 35,
  "sources" : {
    "stores" : [ "TL Test Room - Hibernia Gem & Neck" ],
    "monsters" : {
      "normal_drop" : [ "Lachlen" ]
    }
  },
  "flags" : {
    "dyable" : false,
    "emblemizable" : false
  },
  "icon" : 500,
  "utility" : 67.0,
  "delve_text" : " \nMagical Bonuses:\n- ALL melee weapon skills: 3 pts\n- Hits: 52 pts\n \nLevel Requirement: 49 Level\n \nBonus to melee combat speed: 2%\nBonus to armor factor (AF): 16\nBonus to hit points bonus cap: 52\n \nCharged Magic Ability:\n- 30 Charges\n- 30 Max\nFunction: haste\n \nIncreases the target's combat speed.\n \nValue: 17%\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: 35\n",
  "slot" : 4,
  "abilities" : [ {
    "max_charges" : 30,
    "spell" : 3809,
    "magic_type" : 6,
    "power_level" : 49,
    "position" : 1
  } ],
  "artifact" : false,
  "material" : 0,
  "name" : "Lachlen's Book of Tactics",
  "usable_by" : [ 0 ],
  "realm" : 0,
  "id" : 38238,
  "category" : 5,
  "use_duration" : 90,
  "bonuses" : [ {
    "type" : 19,
    "value" : 2
  }, {
    "type" : 22,
    "value" : 16
  }, {
    "id" : 300,
    "type" : 2,
    "value" : 3
  }, {
    "type" : 4,
    "value" : 52
  }, {
    "type" : 29,
    "value" : 52
  } ],
  "ability_tags" : [ "fn_combat_haste" ]
}
How is utility calculated?