This article is a strategy guide for Infernal Stronghold.

This guide is meant for single clears and to enable idling with as low as possible requirements. Not to be the most effective method. Information on equipment, mechanics and strategies are on this page.

Why Clear Infernal Stronghold?

There three main reasons for completing the

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Infernal Stronghold

:

Clear it once after 100
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Volcanic Caves to get the Infernal Cape that has 4% DR.
Clear it 10 times to get 10 Infernal Cores to complete a township task, and to merge Dragon Claw and Ancient Claw into Infernal Claw.
Clear it 100+ times to complete more township tasks, or earn a lot of .

Standard Guides

Pre-Ancient Build

The guide provides a build that does not use any ancient armour and will require manual eating to survive. This build should be able to get you though the dungeon one time, but you will need to time your eating carefully, especially when you are stunned.

This build can achieve that with as low as

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Level 80

, but if you are attempting this dungeon under levelled then it is recommended that you check the Combat Simulator to see if there are any improvements that can be made, especially if you are in . Improvements that give a higher DR, higher HP or higher auto-eat threshold will give you a better chance of survival. Improvements that give a stronger attack will reduce the time taken to complete the dungeon, but are secondary to DR improvements.

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Level 80
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Level 80
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Level 80
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Level 80
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Level 80
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Level 75
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Auto Eat - Tier III

Use
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Stone Skin and
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Chivalry (or better) for 3% DR and accuracy.
Equip Damage Reduction Potion III (or higher) for improved DR.

Slot	Item	DR%
	(G) Rune Helmet	5%
	(G) Rune Platebody	5%
	(G) Rune Platelegs	5%
	(G) Rune Boots	5%
	Paladin Gloves	4%
	Fire Cape	2%
	Elite Amulet of Defence	2%
	Silver Diamond Ring	1%
	Sunset Rapier	0%
	(G) Rune Shield	5%
	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Yak	0%
Total		34%

Combat Simulator Export

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Ancient Build

This build is designed to make it easier to obtain the 10 Infernal Core and allows you to complete the dungeon without manual eating. However, this build is not recommended for idling as it will use a lot of resources. This build increases DR so that auto-eat makes the dungeon survivable, but also has a reasonable attack level.

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Level 90
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Level 90
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Level 90
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Level 90
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Level 75
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HP 940 OR
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HP 920 if
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Leonardo has been obtained.

Gear

Use
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Stone Skin and
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Chivalry for 3% DR and an increase in accuracy.
Equip Damage Reduction Potion IV for 10% DR.

Slot	Item	DR%
	(G) Ancient Helmet	7%
	(G) Ancient Platebody	7%
	(G) Ancient Platelegs	7%
	(G) Rune Boots	5%
	Paladin Gloves	4%
	Fire Cape	2%
	Elite Amulet of Defence	2%
	Silver Diamond Ring	1%
	Ancient Claw	0%
	(G) Ancient Shield	7%
	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Yak	0%
Total		42%

Combat Simulator Export

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Gear Options

There are many options with this build:

Equip the Infernal Cape after the first clear to further increase DR, and will make it easier to get the 10 Infernal Core needed to get the Infernal Claw.
Use Ancient Claw over the Sunset Rapier. If you do not have the Ancient Claw then check out the Ancient Claw Guide.
Use Sandstorm Ring to increase your dungeon clear time if you DR is sufficient.
Use Dragonfire Shield over the Ancient Shield for better defence.
Once you can survive, use stronger prayers to increase your accuracy at the expense of DR.
Use Diamond Luck Potion (any level) to give an attack advantage, but only if you can survive the dungeon easily - you will lose up to 10% DR.

Malcs Special Moves

When eating, pay special attention to the following special moves from Malcs:

Sealing + Penetrating Claws: do not underestimate this combo. The Spam Eating kicks in with a delay after you push a keyboard button, so it is important that you start before the Penetrating Claws hit you. This special move has two instances of damage separated by a short gap, so a good idea to use Spam Eating. The damage from Penetrating Claws is calculated as [math]\displaystyle{ 640 \times (1-\text{DR}) \times 1.3 \times 2 }[/math].

Sealing + Tail Whip: Heal to full HP before this hits, and if you have time, look what the max damage of the Tail Whip is when you are stunned. You may find that you can delay manual eating depending on whether your HP allows. The damage from this move can be calculated as [math]\displaystyle{ 690 \times (1-\text{DR}) \times 1.3 }[/math].

Sealing + Usual Attack: Occurs when Malcs uses two Sealing attacks in row. The approach given in Tail Whip works well here.

Sealing + Inferno: Not as strong as the other attacks, and one that you can normally rely on
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Auto Eat to survive.

Idling Build

This build relies on high DR and a high HP and the top tier of

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Auto Eat

and uses melee as this gives a high amount of damage reduction (DR). If your consumables run out, then you will not survive, so be sure that you have enough in the bank before you begin idling.

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HP 1030
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Level 80
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Level 90 with
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Level 50 Damage Reduction Potion
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Level 65 with Witch level 4 and Yak level 3.
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Auto Eat - Tier III

Slot	Item	DR%
	(G) Ancient Helmet	7%
	(G) Ancient Platebody	7%
	(G) Ancient Platelegs	7%
	(G) Rune Boots	5%
	(U) Ancient D-hide Vambraces	6%
	Infernal Cape	4%
	Elite Amulet of Defence	2%
	Silver Diamond Ring	1%
	Ancient Claw	0%
	Dragonfire Shield	8%
	Error creating thumbnail: File missing Yak Error creating thumbnail: File missing Witch	0%
Total		47%

The Prayer Scroll or Alchemist's Bag can be used to reduce prayer costs and the number of potions needed to idle the Infernal Stronghold.

Alternative options are available if the

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Air God Dungeon

has been completed. The Aeris God Gloves and Aeris God Boots each give an additional 2% DR. The Infernal Cape can be swapped for the Fire Cape but this will lose 2% DR. In

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Agility

the

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Lake Swim

can be used to give an extra +1% DR.

Once you have sufficient DR to idle comfortable, you can also consider wearing the Chapeau Noir for a 10% chance of doubling the items received, which can reduce the number of dungeons needed.

Combat Simulator Export

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Late-game idling

After completing the

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Water God Dungeon

you will have access to Ancient Magicks and late-game armour and boosts. The dungeon can be idled with magic much more quickly due to the Combat Triangle advantage. For example, with this build, there is no need for any consumable except food and runes, and no need for boosts from agility. The spare slots in this build are filled with item doubling boosts, but you can change these depending on your goal.

Slot	Item	DR%
	Chapeau Noir	0%
	Glacia God Platebody	8%
	Glacia God Platelegs	8%
	Glacia God Boots	8%
	Glacia God Gloves	8%
	Skull Cape	3%
	Elite Amulet of Magic	2%
	Ring of Wealth	0%
	Air Imbued Wand	0%
	Scaled Shield	8%
Total		45%

Spell:

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Slicing Winds

Prayers:

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Mystic Might

&

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Mystic Mastery

if your accuracy is below 20,000. Otherwise don't use any.

There is flexibility on this build. For example, Aorpheat's Signet Ring can be used instead of Ring of Wealth to get an additional 100,000 + per clear, but this reduces chance of doubling Infernal Cores e.g. from 10% down to 5% chance.

Combat Simulator Export

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Ancient Relics Guides

Pre God Dungeons Clears

Melee

The clear speed of Adamant Armour and Rune Armour is about the same.

Adamant Armour uses roughly 790 Lobster for a single clear.
Rune Armour uses roughly 690 Lobster for a single clear.

Both have an average 14 minute clear time.

Gear

The clear speed of Sunset Rapier and Ancient Claw is roughly the same.

The
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Occultist
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Minotaur Synergy almost doubles the clear speed.

Prayers:
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Incredible Reflexes &
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Chivalry

Slot	Item
	(G) Rune Helmet
	(G) Rune Platebody
	(G) Rune Platelegs
	(G) Rune Boots
	Paladin Gloves
	Fire Cape
	Elite Amulet of Defence
	Silver Diamond Ring
	Ancient Claw
	(G) Rune Shield
	Error creating thumbnail: File missing Occultist Error creating thumbnail: File missing Minotaur

Combat Simulator Export

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Magic

This is an opportune time to use the newly obtained Ancient Magick as it almost doubles the clear speed over Normal Spells, even without getting the benefit from the guaranteed hits from

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Slicing Winds

at 20,000 Accuracy.

Gear

Air Adept Wizard Gear uses roughly 690 Lobster for a single clear. Taking roughly 11 minutes.
Air Expert Wizard Gear uses roughly 520 Lobster for a single clear. Taking roughly 9 minutes.

Spell:
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Slicing Winds
Aurora:
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Surge II (Optional)
Prayers:
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Mystic Lore &
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Mystic Might

Slot	Item
	Air Adept Wizard Hat
	Air Adept Wizard Robes
	Air Adept Wizard Bottoms
	Air Adept Wizard Boots
	Paladin Gloves
	Skull Cape
	Elite Amulet of Defence
	Silver Diamond Ring
	Magic Wand (Powerful)
	(G) Rune Shield
	Error creating thumbnail: File missing Occultist Error creating thumbnail: File missing Witch

Combat Simulator Export

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Post God Dungeons Guide

Melee

This setup will still require Manual Eating unless Damage Reduction Potion IV is used, which enables fully Idling this Dungeon.

Gear

Sunset Rapier uses roughly 310 Lobster for a single clear. Taking roughly 9 minutes.
Ancient Claw uses roughly 290 Lobster for a single clear. Taking roughly 8 minutes.

Prayers:
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Chivalry &
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Piety

Slot	Item
	Terran God Helmet
	Terran God Platebody
	Terran God Platelegs
	Terran God Boots
	Terran God Gloves
	Fire Cape
	Elite Amulet of Defence
	Silver Diamond Ring
	Ancient Claw
	(G) Rune Shield
	Error creating thumbnail: File missing Occultist Error creating thumbnail: File missing Minotaur

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Magic

This style makes this dungeon Fully Idle at this stage. This can be done by having the following:

The the posted recommended setup of Magic Wand (Powerful)/ (G) Rune Shield
Cloudburst Staff with one of the following:
- Defence Relic #5
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  Level 50 and either
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  Leonardo,
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  Erran or Fury of the Elemental Zodiacs

Gear

Magic Wand (Powerful)/ (G) Rune Shield using
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Frostbite uses roughly 49 Lobster for a single clear. Taking roughly 3.6 minutes.
Cloudburst Staff using
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Water Surge uses roughly 56 Lobster for a single clear. Taking roughly 2.8 minutes.

Spell:
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Frostbite or
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Gust for roughly 30 second slower kills.
Aurora:
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Surge II (Optional)
Prayers:
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Mystic Might &
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Mystic Mastery

Slot	Item
	Glacia God Helmet
	Glacia God Platebody
	Glacia God Platelegs
	Glacia God Boots
	Glacia God Gloves
	Skull Cape
	Elite Amulet of Magic
	Warlock Ring
	Magic Wand (Powerful)
	(G) Rune Shield
	Error creating thumbnail: File missing Occultist Error creating thumbnail: File missing Witch

Agility

Only required for Cloudburst Staff if Defence Relic #5 is not owned.
Will also require either
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Leonardo,
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Erran or Fury of the Elemental Zodiacs

Slot	Obstacle	Bonuses
1	Error creating thumbnail: File missing Cargo Net	+3% Global GP (except Item Sales) +2% Fishing Mastery XP
2	Error creating thumbnail: File missing Rope Jump	+3% Smithing Mastery XP
3	Error creating thumbnail: File missing Pipe Climb	+5% Melee Evasion +5% Melee Max Hit
4	Error creating thumbnail: File missing Coal Stones	-4% Skill XP for all Skills +10% Food Healing Value +20% GP gained from Thieving +3% Chance to Preserve Resources in Skills
5	Error creating thumbnail: File missing Cliff Balance	+20 Maximum Hitpoints +5% Ranged Accuracy Rating +2 Prayer Point Cost for Prayers +5% Magic Accuracy Rating +5% Melee Accuracy Rating
6	Error creating thumbnail: File missing Rocky Waters	+50 Maximum Hitpoints

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Infernal Stronghold/Guide

Contents

Why Clear Infernal Stronghold?

Standard Guides

Pre-Ancient Build

Combat Simulator Export

Ancient Build

Gear

Combat Simulator Export

Gear Options

Malcs Special Moves

Idling Build

Combat Simulator Export

Late-game idling

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Ancient Relics Guides

Pre God Dungeons Clears

Melee

Gear

Combat Simulator Export

Magic

Gear

Combat Simulator Export

Post God Dungeons Guide

Melee

Gear

Combat Simulator Export

Magic

Gear

Agility

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