Charn's Churlish Shield

Shield Medium Shield

Item Details

Utility 39
Bonus Level 24
Dyeable Yes
Sellable Yes
Tradeable Yes
Damage Info
DPS 15.3
Speed 3.2

Restrictions

Level Required 47
Usable By
All Classes

Magical Bonuses

Basic
Strength 12
Dexterity 12
Quickness 12
Shield 3
Catacombs
Block (PvE) 4

Primary Ability

Dmg-Over-Time Level 47
Offensive Proc


Raw Item JSON

{
  "sell_value" : 31490,
  "requirements" : {
    "level_required" : 47
  },
  "type_data" : {
    "dps" : 15.3,
    "shield_size" : 2,
    "speed" : 3.2,
    "clamped_dps" : 15.3
  },
  "bonus_level" : 24,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Charn" ]
    }
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : true
  },
  "icon" : 61,
  "utility" : 39.0,
  "delve_text" : "Realm: Hibernia\n \nMagical Bonuses:\n- Shield: 3 pts\n- Dexterity: 12 pts\n- Quickness: 12 pts\n- Strength: 12 pts\n- Block: 4% (PvE Only)\n \nLevel Requirement: 47 Level\n \n \nMagical Ability:\nFunction: dmg-over-time\n \nInflicts damage to the target repeatedly over a given time period.\n \nDamage per tick: 57\nTarget: Targeted\nRange: 1500\nDuration: 20 sec\nFrequency:      5.0 sec\nCasting time: instant\nDamage: Heat\n \n- Spell has a chance of casting when this weapon strikes an enemy.\n \nDamage Modifiers (when used with shield styles):\n- 15.3 Base DPS\n- 3.2 Shield Speed\n \n \nBonus Level: 24\n",
  "abilities" : [ {
    "spell" : 3772,
    "magic_type" : 1,
    "power_level" : 47,
    "position" : 1
  } ],
  "salvage_amount" : 10,
  "artifact" : false,
  "material" : 67,
  "name" : "Charn's Churlish Shield",
  "usable_by" : [ 0 ],
  "realm" : 3,
  "dye_type" : 0,
  "id" : 48620,
  "category" : 3,
  "bonuses" : [ {
    "id" : 43,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 1,
    "type" : 1,
    "value" : 12
  }, {
    "id" : 3,
    "type" : 1,
    "value" : 12
  }, {
    "id" : 0,
    "type" : 1,
    "value" : 12
  }, {
    "type" : 52,
    "value" : 4
  } ],
  "ability_tags" : [ "fn_dot" ]
}
How is utility calculated?