Underwater City/Guide

This is a Barrier dungeon introduced with the Atlas of Discovery Expansion, there is a general guide to this dungeon and a more in-depth look into Barrier combat in general in this guide. This page will go deeper into combat options, including when Throne of the Herald Expansion is owned and already completed.

This guide is not meant for optimal kills per hour but instead focuses on easily obtainable ways ranging from just passed God Dungeons to having beaten

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Throne of the Herald

to clear the dungeon effectively.

Requirements

Discover Melantis
Damage Reduction Potion IV

Recommended

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Level 99 for the Relic Shield for Set 2
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Valor
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Battleheart
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Level 100,
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Level 100

The enemies, and especially the

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Nagaia

hit very hard in this dungeon. A lot of damage reduction is required in order to idle this dungeon without dying. Alternatively, the player can return after having progressed through the Throne of the Herald expansion. Having more hitpoints or other damage reducing and damage inflicting bonusses can greatly speed up the clear times of this dungeon. Set 1 clears the dungeon roughly 23 times per hour. Set 2 clears it roughly 6 times per hour. (You can swap the weapon & summons in Set 2). The Relic Shield is preferred over the Earth Layered Shield, because it offers 4% more damage reduction at

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Level 90

and above. Alternatively the Devouring Barrier Shield can be used, once the upgrade item has been obtained from this dungeon. However, the player should check if the 4% reduction in DR doesn't result in death. The Eradicating Gloves (m) should be equipped immediately when obtained from this dungeon. Clearing the Underwater City dungeon provides 1 Barrier God Shard every time it is cleared. These can be used to upgrade (B) god armours into their respective (C) armours. These can then be used to very effectively clear

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Crystal Depths

for Crystal Binding Dust if the player hasn't already done this.

Below are 2 sets, unlike the previous dungeons, you can't mix and match this dungeon. Set 1 is for post-TotH clears. Set 2 is for clears just before or after IDE.

Set 1 requires

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Level 120

.
Set 2 requires a minimum of

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Level 100

.

Item Slot	Set 1	Set 2
Head	Hood of Shade Summon	Terran God Helmet (B)
Body	Terran God Platebody (B)	Terran God Platebody (B)
Leggings	Terran God Platelegs (B)	Terran God Platelegs (B)
Boots	Terran God Boots (B)	Terran God Boots (B)
Hands	Gloves of Greater Shade Summon	(B) Ancient D-hide Vambraces
Cape	Ancient Infernal Cape	Ancient Infernal Cape
Neck	Amulet of Curse Totem Summon	Lesser Summoning Amulet
Passive	Knight's Summoning Defender	Barrier Burn Shield
Ring	Ring of Phantom Summon	Summoner's Blessed Ring
Gem	Siphoning Barrier Gem	Siphoning Barrier Gem
Weapon	Agile Wings Rapier	Infernal Claw
Shield	Earth Layered Shield/ Devouring Barrier Shield	Relic Shield
Consumable	Melee Hinder Scroll	Melee Hinder Scroll
Summons	Spider / Spectre	Tortoise / Error creating thumbnail: File missing Dragon

Prayers:

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Battleheart

and

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Valor

. Swap to

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Battleheart

and

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Battleborn

for Set 2.

Potion: Damage Reduction Potion IV

Point of Interest: Dark Waters

The Agility obstacles 11+ are not required, 11 and below are highly suggested (and simulations were done with those active).

Swap

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Agility

Obstacle 15 from

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Freezing Rafting

to

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Waterfall Crossing

if using Set 1.

Slot	Obstacle	Bonuses	Requirements	Costs
1	Error creating thumbnail: File missing Cargo Net	+3% Global GP (except Item Sales) +2% Fishing Mastery XP	Error creating thumbnail: File missing Level 1	10,000
2	Error creating thumbnail: File missing Monkey Bars	-4% Firemaking Interval	Error creating thumbnail: File missing Level 10 Error creating thumbnail: File missing Level 15	50,000 250
3	Error creating thumbnail: File missing Pipe Climb	+5% Melee Evasion +5% Melee Max Hit	Error creating thumbnail: File missing Level 20 Error creating thumbnail: File missing Level 10 Error creating thumbnail: File missing Level 10	150,000 1,000 300
4	Error creating thumbnail: File missing Cave Climb	-40 Maximum Hitpoints +5% Ammo Preservation +5% Rune Preservation +5% Melee Max Hit	Error creating thumbnail: File missing Level 30 Error creating thumbnail: File missing Level 10 Error creating thumbnail: File missing Level 10 Error creating thumbnail: File missing Level 10	250,000 5,000 500 500 250
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	Error creating thumbnail: File missing Level 40 Error creating thumbnail: File missing Level 20 Error creating thumbnail: File missing Level 20 Error creating thumbnail: File missing Level 20	500,000 20,000 500 500 1,000
6	Error creating thumbnail: File missing Lake Swim	+1% Damage Reduction +5% Damage To All Monsters +3% Chance To Preserve Prayer Points	Error creating thumbnail: File missing Level 50 Error creating thumbnail: File missing Level 50 Error creating thumbnail: File missing Level 50	1,000,000 50,000 2,500
7	Error creating thumbnail: File missing Boulder Trap	-20% Chance to Preserve Resources in Skills	Error creating thumbnail: File missing Level 60	2,500,000
8	Error creating thumbnail: File missing Spike Jump	+5% Damage to Monsters in Dungeons +5% Chance To Double Loot in Combat	Error creating thumbnail: File missing Level 70 Error creating thumbnail: File missing Level 70 Error creating thumbnail: File missing Level 70	5,000,000 150,000 2,000
9	Error creating thumbnail: File missing Ice Jump	+20 Maximum Hitpoints +5% Food Healing Value +5% Chance to Double Items Globally +10 Mining Node HP +10% Chance to Preserve Resources in Skills	Error creating thumbnail: File missing Level 80 Error creating thumbnail: File missing Level 60 Error creating thumbnail: File missing Level 60 Error creating thumbnail: File missing Level 60 Error creating thumbnail: File missing Level 60	10,000,000 5,000 2,500 2,000
10	Error creating thumbnail: File missing Dragon Fight	-16% Auto Eat Efficiency -0.3s Monster Respawn Timer	Error creating thumbnail: File missing Level 90 Error creating thumbnail: File missing Level 95 Error creating thumbnail: File missing Level 95 Error creating thumbnail: File missing Level 95 Error creating thumbnail: File missing Level 95	20,000,000 300,000 3,000
11	Error creating thumbnail: File missing Forest Maze	-20% Global Accuracy -20% Auto Eat Efficiency +15% Flat Slayer Area Effect Negation +8% Slayer Skill XP +10% Global Slayer Coins (except Item Sales)	Error creating thumbnail: File missing Level 100 Error creating thumbnail: File missing Level 100 Error creating thumbnail: File missing Level 100 Error creating thumbnail: File missing Level 100	30,000,000 500,000 6,000 8,000
12	Error creating thumbnail: File missing Boulder Balance	-20% Global Accuracy +5% of Maximum Hit added to Minimum Hit -0.1s Attack Interval	Error creating thumbnail: File missing Level 105 Error creating thumbnail: File missing Level 105 Error creating thumbnail: File missing Level 105 Error creating thumbnail: File missing Level 105	50,000,000 10,000 20,000 10,000
13	Error creating thumbnail: File missing Balance Trap	+10% Agility Interval +5% Chance to Double Items Globally -30% GP gained from Agility	Error creating thumbnail: File missing Level 110	75,000,000
14	Error creating thumbnail: File missing Freezing Climb	+30% Accuracy Rating +30% Global Evasion -150% GP from Combat -6% Chance To Double Loot in Combat +15% Damage to Monsters in Dungeons	Error creating thumbnail: File missing Level 115 Error creating thumbnail: File missing Level 110 Error creating thumbnail: File missing Level 110 Error creating thumbnail: File missing Level 110	150,000,000 5,000 15,000 20,000
15	Error creating thumbnail: File missing Freezing Rafting	-10% Cooking Interval +3% Auto Eat Threshold +15% Auto Eat Efficiency -20% base primary resource quantity gained in Farming	Error creating thumbnail: File missing Level 118 Error creating thumbnail: File missing Level 120 Error creating thumbnail: File missing Level 120 Error creating thumbnail: File missing Level 110	200,000,000 1,000,000 20,000 10,000
Pillar	Error creating thumbnail: File missing Pillar of Combat	+10% Ranged Evasion -0.2s Monster Respawn Timer +5% Flat Slayer Area Effect Negation +10% Melee Evasion +10% Magic Evasion +5% of Maximum Hit added to Minimum Hit +10 Flat HP Regen	Error creating thumbnail: File missing Level 99	50,000,000 5,000 5,000
Elite Pillar	Error creating thumbnail: File missing Elite Pillar of Conflict	+10% Lifesteal +35% Flat Slayer Area Effect Negation +25% Chance To Preserve Prayer Points -3 Prayer Point Cost for Prayers +50% Hitpoint Regeneration +350% GP from Combat	Error creating thumbnail: File missing Level 120	250,000,000 3,000,000 10,000 10,000

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