Castle Age Wiki
Castle Age Wiki
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[]

Monster Details
Name Type Divine Breakpoint Time to kill 5% Health (Conquest)
Bonegnasher, Death Rat Horde World 720 2000 168 hours 60,000,000

Target Areas
Target Health Physical Fire Earth Wind Water Note
Bonegnasher 850,000,000 25 20/[-15] 0 0 0 [xx]: enabled when Rat Horde is death
Rat Horde 350,000,000 25 0 0 0 0

Monster Loot
1 Epic 2 Epics Gold Medal
1%+ 8,170,000 13,010,000
99%+ 11,790,000 31,500,000 30,000,000
Source: Castle Age Monsters Damage/Loot Spreadsheet

Bonegnasher has 1,200,000,000 total health.

Use this text string to post DMG needed in monster chat:

  • 1 Epic 11.8M, 2 Epic 31.5M
  • 5% 60M, 10% 120M, 15% 180M

Participants: up to 145 people total, with the following distribution:

  • 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.

Additional Information[]

Target Areas[]

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

  • Bonegnasher (850,000,000 health) - Dispatch to defeat Bonegnasher, Death Rat Horde.
  • Rat Horde (350,000,000 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 15%), -15 Fire Weakness (Maximum bonus 10%, enabled when Rat Horde is defeated)
  • Rat Horde - +25 Piercing Resistance (Max block 20%)

Divine Armor[]

Bonegnasher, Death Rat Horde has a divine armor which blocks 35% of damage per attack. It deteriorates at a rate of 0.05% per 1 divine power. It will take at least 720 divine power to nullify it completely.

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


Click to display

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 thresholds for 99%:

  • Epic: 1 - 11,740,000 (starts at 8,170,000), 2 - 31,500,000 (starts at 13,010,000)


Item Archives[]


  • Gold Medal: 30,000,000 pure damage in less than 24 hours (before 144 hours monster timer): +3 Skill Points (one-time award)
  • Slay Bonegnasher, Death Rat Horde 5 times (1,000,000 min dmg + def): +5 Favor Points.
  • Slay Bonegnasher, Death Rat Horde 5 times (5,000,000 min dmg, secondary targets have > 75% health): +3 Skill Points


v · e · d
Epic Boss
Gildamesh, the Orc King - Colossus of Terra - Sylvanas, the Sorceress Queen - Mephistopheles
Keira, the Dread Knight - Lotus Ravenmoore - Skaar Deathrune - Azriel, the Angel of Wrath
Alpha Mephistopheles - Lion's Rebellion - Corvintheus - Jahanna, Priestess of Aurora
Aurora - Ambrosia - Malekus - Azeron - Fenix, Risen From Ashes - Urmek, Protector of Gaia
Vorak, Devourer of Skies - Baal, Stealer of Souls - Aspect of Death - Cassandra
Epic Team
Dragons - Sea Serpents
Epic World
Cronus, the World Hydra - Battle of the Dark Legion - Genesis, the Earth Elemental
Ragnarok, the Ice Elemental - Bahamut, the Volcanic Dragon - Alpha Bahamut, the Volcanic Dragon
War of the Red Plains - Gehenna, the Fire Elemental - Valhalla, the Air Elemental
Kromash, the Storm Giant - Shardros, the Mountain Giant - Glacius, the Frost Giant
Magmos, the Lava Giant - Typhonus, the Chimera - Kraken - Alpha Kraken
Vermilion, the Tyrant - Kessaran, the Undying - Poseidon, Atlantean King
Abomination, Ancient Slime - Lord of Darkness - Svarog, the Magmapede
Lothorewyn, the Corrupted - Alperon, the Corrupted - Bonegnasher, Death Rat Horde
Verminarch, Death Rat Horde - Ogrimus, Death Rat Horde - Rodenom, Death Rat Horde
Leviathan of the Deep - Leviathan of the Grove - Leviathan of the Void
Leviathan of Wrath - Thanatos, the Reborn - Cronus Astaroth
Agamemnon, the Overseer - Alexandra, the Unbreakable
Vargulis, First Brood - Samael, Wraith Legionnaire - Chromus
Phantom of Fire - Phantom of Lightning - Phantom of Shadow
Draculia, The Blood Dominator - Fenrir, The Sun and Moon Devourer
Limited Monsters
Cronus of Ice - Cronus of Earth - Cronus of Fire
Succubus of Desire - Succubus of Greed - Succubus of Agony - Succubus of Nightmares
Special Bosses
Kull, the Orc Captain - Karn, the Minotaur
Guild Bosses
Vincent - Alpha Vincent - Army of the Apocalypse - Giant Arachnid
Guild Conquest Land Monsters
Orc Band - Orc Horde - Orc Host - Ouroboros
Heart of Darkness Co-Op Bosses
Thanatos of Fire & Ice
Siege Weapons - Damage and Healing - Monster Medals