Infernal Stronghold/Guide
This page was last updated for (v1.0.4). |
Why Clear Infernal Stronghold?
There three main reasons for completing the Infernal Stronghold:
- Clear it once after 100
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
.
Manual-Eating Build
The guide assumes that you have completed Volcanic Cave at least once, and have obtained the
Ancient Claw. If not, then check out this
Ancient Claw Guide for how to obtain this key item.
Before attempting Infernal Stronghold, it is strongly recommended that your
Auto Eat threshold is higher than all of
Malcs moves when you are not stunned. This build can achieve that with 900 HP, although it is advised to check it with the Combat Simulator to be sure.
The boss in this dungeon is Malcs, the Leader of Dragons (Malcs), and the strongest attack is the combination of Sealing (Stun) + Penetrating Claws.
Slot | Item | DR% |
---|---|---|
![]() | ![]() | 7% |
![]() | ![]() | 7% |
![]() | ![]() | 7% |
![]() | ![]() | 6% |
![]() | ![]() | 6% |
![]() | ![]() | 2% |
![]() | ![]() | 2% |
![]() | ![]() | 0% |
![]() | ![]() | 0% |
![]() | ![]() | 7% |
Total | 44% |
The Ancient Claw can be substituted for the
Sunset Rapier at a push, but due to the boss stun attack being very powerful, the faster you can attack after stun, the better your overall chances.
Use prayers to increase your accuracy, as without your hit chance against Malcs will be very low e.g. ~25% without prayers, compared to ~40% with. Using
Diamond Luck Potion (any level) will give you a significant advantage.
Equipping the Infernal Cape after the first clear as this will increase DR, and will make it easier to get the 10
Infernal Claw needed for upgrading.
The Dragonfire Shield (DFS) which can be obtained from the
Volcanic Cave is another good option, and can be paired with
Icicle Volley and
Witch. This combination is very effective against the
Green Dragon. Similarly, with at least 20,000 Accuracy
Slicing Winds is another good option.
The DFS is one of the best defences against
Malcs. However, for an extra increase in DR, consider equipping
Silver Diamond Ring. Doing so will reduce your Dungeon clear time, but may increase your chances of survival. With
DFS equipped as well as 990 HP it should be sufficient to clear this dungeon with ease.
Malcs Special Moves
Pay 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
Auto Eat to survive.
Idling Build
This build relies on high DR and a high HP and the top tier of 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.
Level 90
Level 80
Level 90 with
Level 50 Damage Reduction Potion
Level 65 with
Witch level 4 and
Yak level 3.
Auto Eat - Tier III
Slot | Item | DR% |
---|---|---|
![]() | ![]() | 7% |
![]() | ![]() | 7% |
![]() | ![]() | 7% |
![]() | ![]() | 6% |
![]() | ![]() | 6% |
![]() | ![]() | 2% |
![]() | ![]() | 2% |
![]() | ![]() | 1% |
![]() | ![]() | 0% |
![]() | ![]() | 8% |
![]() | 0% | |
![]() | 0% | |
Total | 46% |
Boost | Type | DR% |
---|---|---|
Armour/weapons (as above) | 46% | |
1% | ||
3% | ||
![]() |
6% | |
2% against | ||
Total | 59% (58%) |
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 Air God Dungeon has been completed. The
Aeris God Gloves and
Aeris God Boots each give an additional 2% DR. Similarly, once the
Infernal Stronghold has been completed the
Infernal Cape can give another 2% DR. In
Agility the
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.
Bonuses that improve HP
Bonuses from Agility Obstacles and certain items can reduce the amount of DR required considerably by increasing your maximum HP.
Item | Position | +HP |
---|---|---|
Slot 5 Obstacle | +20 | |
Slot 6 Obstacle | +50 | |
Slot 8 Obstacle | +20 | |
Slot 9 Obstacle | +20 | |
![]() |
Off-hand | +30 |
![]() |
N/A | +10 |
Total | +140 |
Notes:
- The
Cliff Balance will use +2 extra prayers each hit
- Without
Finn you will lose out on roughly 1% DR
For example, a Level 90 with all of the extra HP listed above, would drop the overall DR requirement from 59% down to 53%. Lower DR means that you reduce the use of potions, Prayers and the
Witch summon. When combined with all of the equipment improvements mentioned earlier results in a lower minimum HP of around
Level 76.
Late-game idling
After completing the 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% |
---|---|---|
![]() | ![]() | 0% |
![]() | ![]() | 8% |
![]() | ![]() | 8% |
![]() | ![]() | 8% |
![]() | ![]() | 8% |
![]() | ![]() | 3% |
![]() | ![]() | 2% |
![]() | ![]() | 0% |
![]() | ![]() | 0% |
![]() | ![]() | 8% |
Total | 45% |
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.
Melvor Idle version v1.3 (Released: 13th June 2024) | ||||||||||||||||||||
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Reference Tables: Items, Equipment, Experience Table, Upgrading Items, Combat Areas, Slayer Areas, Dungeons, Strongholds, The Abyss, Monsters |