Imsety's Shield of Dread

Shield Medium Shield

Item Details

Utility 75
Bonus Level 37
Dyeable Yes
Sellable Yes
Tradeable Yes
Damage Info
DPS 3.0
Speed 3.6

Restrictions

Level Required 50
Usable By
All Classes

Magical Bonuses

Basic
Strength 24
Hit Points 64
Thrust Resist 9%
Shield 3
ToA
Toa Melee Speed 2%

Primary Ability

Lifedrain Level 50
Offensive Proc


Raw Item JSON

{
  "sell_value" : 35,
  "requirements" : {
    "level_required" : 50
  },
  "type_data" : {
    "dps" : 3.0,
    "shield_size" : 2,
    "speed" : 3.6,
    "clamped_dps" : 3.0
  },
  "bonus_level" : 37,
  "sources" : {
    "monsters" : {
      "normal_drop" : [ "Echo of Imsety" ]
    }
  },
  "flags" : {
    "dyable" : true,
    "emblemizable" : false
  },
  "icon" : 2201,
  "utility" : 75.0,
  "delve_text" : "Realm: Midgard\n \nMagical Bonuses:\n- Shield: 3 pts\n- Strength: 24 pts\n- Thrust: 9%\n- Hits: 64 pts\n \nLevel Requirement: 50 Level\n \nBonus to melee combat speed: 2%\n \nMagical Ability:\nFunction: lifedrain\n \nDamages the target. A portion of damage is used to heal the caster.\n \nDamage: 65\nHealth returned: 100% of damage dealt\nTarget: Targeted\nRange: 300\nCasting time: instant\nDamage: Cold\n \n- Spell has a chance of casting when this weapon strikes an enemy.\n \nDamage Modifiers (when used with shield styles):\n- 3.0 Base DPS\n- 3.6 Shield Speed\n \n \nBonus Level: 37\n",
  "abilities" : [ {
    "spell" : 3833,
    "magic_type" : 1,
    "power_level" : 50,
    "position" : 1
  } ],
  "salvage_amount" : 10,
  "artifact" : false,
  "material" : 7,
  "name" : "Imsety's Shield of Dread",
  "usable_by" : [ 0 ],
  "realm" : 2,
  "dye_type" : 0,
  "id" : 30252,
  "category" : 3,
  "bonuses" : [ {
    "id" : 43,
    "type" : 2,
    "value" : 3
  }, {
    "id" : 0,
    "type" : 1,
    "value" : 24
  }, {
    "type" : 19,
    "value" : 2
  }, {
    "id" : 3,
    "type" : 5,
    "value" : 9
  }, {
    "type" : 4,
    "value" : 64
  } ],
  "ability_tags" : [ "fn_lifedrain" ]
}
How is utility calculated?