Monster Bonegnasher

Bonegnasher, Death Rat Horde can be summoned on the Alchemy Summons page if you have 50 energy on hand, and are at least level 450.

You have 168 hours to complete the battle before he flees.

Basic Information

Bonegnasher, Death Rat Horde has 1.2 Billion health. Up to 90 people total may participate in the battle. Of these participants, only a set number can participate based on that player's level at the time of joining the battle.

  • 60 people levels 300+
  • 20 people levels 150-299
  • 10 people levels 1-149

This battle uses the Monster Class, Piercing/Resistance, Divine Power and Target Area systems.

Special Information

Target Areas

Bonegnasher, Death Rat Horde has two different areas that can be attacked, each with its own health and resistance :

  • Bonegnasher (850 million health) - Dispatch to defeat Bonegnasher, Death Rat Horde.
  • Rat Horde (350 million health) - Dispatch to enable Fire Weakness on Bonegnasher. Reduces damage to Bonegnasher by a maximum of 30% while alive.


Bonegnasher, Death Rat Horde has Piercing and Fire Resistances, and Fire Weakness.

  • Bonegnasher - +25 Piercing Resistance (Max block 20%), +20 Fire Resistance (Max block 5%), -15 Fire Weakness (Maximum bonus ??%, enabled when Rat Horde is defeated)
  • Rat Horde - +25 Piercing Resistance (Maximum block 20%)

Divine Armor

All parts of Bonegnasher, Death Rat Horde have Divine Armor. This armor requires 720 Divine Power to get full damage, and blocks a maximum of 35% with no Divine Power, degrading by 0.0486% for each point of Divine Power you have.

Siege Weapons

While fighting Bonegnasher, there are 5 siege weapons that can be launched to deal extra damage.
All Siege Weapons hit Bonegnasher's Bonegnasher and are unaffected by blocks and resistances.
*Bonegnasher's Bonegnasher has 850,000,000 HP

Name Clicks Damage Dealt

%HP Dealt*

Valerian Soldiers Valerian Soldiers 10 30,000,000 dmg
3,000,000 dmg/click
3.53 %
0.35 % per click
Elven Rangers Elven Rangers 20 35,000,000 dmg
1,750,000 dmg/click
4.12 %
0.21 % per click
Dwarven Militia Dwarven Militia 30 40,000,000 dmg
1,333,333 dmg/click
4.71 %
0.16 % per click
Archer Allies Archer Allies 40 45,000,000 dmg
1,125,000 dmg/click
5.29 %
0.13 % per click
Gray Wizards Gray Wizards 50 50,000,000 dmg
1,000,000 dmg/click
5.88 %
0.12 % per click
Totals 150 200,000,000 dmg
1,333,333 dmg/click
23.53 %
0.16 % per click


Bonegnasher, Death Rat Horde Summoned

no text

Bonegnasher, Death Rat Horde Slain

Upon breath of night, under the darkest moon, by the mountains side, in the valleys deep, lie in wait, the pits of wrath. Where the dark horde breeds, count the days, for their release upon the world signals the conquest eternal.

The first regent of the dark omen. The black prophecy has emerged. Entire farmsteads laid to waste, crops ravaged, and fields barren. A mass of chattering spawn splay the landscape before you, gnawing on bleached bone and rotting flesh When you approach the top of the hill, their glowing eyes all find their mark upon you. Wasting no time, you ride though the fields forming walls of fire magic to cover your flank. Waves of vermin torch themselves as they dash themselves upon the walls of fire in their mad haste to bury their teeth into your flesh.

The feverous gallop of your horse brings you closer to your target. Their gluttonous leader, Bonegnasher, wallows in a pool of gore. You dive from the back of your horse and thrust your sword against the mountain of Bongasher's flesh. He bats you aside and then pins you against the ground. His gnashing fangs threaten to devour you. Your sword flashes between you while holding back Bonegnasher's salivating jaw. As he chokes down on your weapon, you throw a potion of alchemist fire into his maw. The ensuing eruption culls the strength from his body and the beast falls to the ground.

As you depart, you can see the decent of the vermin followers encircling Bonegnasher's body, preparing to feast. A fitting end.


Rewards While Fighting Bonegnasher, Death Rat Horde

Attack Essence 108 Attack Essence

Rewards After Slaying Bonegnasher, Death Rat Horde

Monster bonegnasher dead

Rare Drops Epic Drops

Gnasher Saber Gnasher Saber
Weapon: Attack:25 Defense:20
Vermin Greaves Vermin Greaves
Boots: Attack:8 Defense:7

Vermin Hide Vermin Hide
Armor: Attack:38 Defense:40
Bonegnashers Mark Bonegnashers Mark

Silver Ore of Physical Resistance Silver Ore of Physical Resistance

Silver Ore of Physical Piercing Silver Ore of Physical Piercing

Bronze Ore of Physical Resistance Bronze Ore of Physical Resistance

Bronze Ore of Physical Piercing Bronze Ore of Physical Piercing

Dull Shard of Water Protection Dull Shard of Water Protection

Dull Shard of Water Fury Dull Shard of Water Fury

Loot Damage Threshold

  • 1 Epic: (start at 6.9 million)

99%: 11.5 million

  • 2 Epics: (start at 12.1 million)

99%: 34 million

GOLD Medal

  •  30.0M damage, must finish before timer reaches 144 hours left.
  • Reward - 3 Skill Points (one time reward)

Source: Castle Age Monsters Damage/Loot Spreadsheet

Use the following text string to enter DMG needed in monster chat:

  • 1 Epic 11.5M, 2 epic 34M


See Also

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