Disclaimer

DISCLAIMER

None of these weapons are actually required to beat

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. If you own Throne of the Herald Expansion, Ocean Song and Tidal Edge will be easily replaced by weapons such as Heated Fury 2H Hammer and any of the

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Runecrafting

Wands.

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Shockwave

doesn't have a direct easy upgrade in Throne of the Herald Expansion but if you own Atlas of Discovery Expansion then Engulfing Vortex Longbow is a much better weapon that doesn't really get replaced unless you have Merman Pendant or at level 120 by Feather Storm Crossbow.

All drop estimates were done without any Pets,

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Astrology

or

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Pillar of Combat

. Having these will significantly increase your drops per hour.

Dark Water Level 90 Weapon Farming

Following completion of

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Into the Mist

, you now have access to

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Dark Waters

, the penultimate slayer area. These 3 mobs drop fragments for the Level 90 weapons, the highest level, and often most powerful, weapons in the base game that are extremely helpful in completing the following slayer area, as well as the Impending Darkness Event. These are extremely long grinds, and require quite a bit of preparation. Each weapon requires 100 fragments, and the fragments have a 2% drop rate. That's 5,000 kills on average.

We recommend acquiring them while fighting each monster as a slayer task, this will require you to turn OFF auto-slayer, and will encourage semi-frequent check-ins. Doing these on task will increase your damage dealt to them from various buffs. This will make the order you obtain the final weapons in effectively random, but if you don't want to deal with the hassle of rerolling, or simply want to do them in a specific order, we recommend the following:

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Shockwave - Made from Shockwave Fragment, dropped by Rokken
Ocean Song - Made from Ocean Song Fragment, dropped by Ku-tul
Tidal Edge - Made from Tidal Edge Fragment, dropped by Umbora

Additionally, you should also acquire the pet

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Otto

whilst doing this grind, if you do not, continue farming whichever mob you kill the fastest on or off task until you get it. Item fragments are very rare drops, (the average amount of kills required to obtain all of the drops with no doubling is 5000 per monster), and it should be noted that there is a

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Township

Task that requires the player to Kill 5,000 Ku-tul, 5,000 Umbora, and 5,000 Rokken, therefore Item Doubling is not as important for this specific grind as it might otherwise be. Additionally, there is another

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Township

Task that requires 1 of each Fragment and rewards 3 of each Fragment, to shorten the grind a little.

After completing the task, or if you simply want your first copies as soon as possible, you should attempt to sneak in as much item doubling into your gear as possible. Using the Combat Simulator to measure your Drops/hr with no deaths is highly recommended.

Order

The order you obtain these items in is not particularly important.

Using the weapons obtained from killing each monster makes sense, unfortunately, they have historically not always the best available options, however a balance patch in Melvor Idle 1.1 has changed the meta an amount, and this guide will strive to stay updated. For now, the only recommended order is to obtain

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Shockwave

and use it to obtain Ocean Song.

Again:

-

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Shockwave

then Ocean Song then Tidal Edge - Tidal Edge then

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Shockwave

then Ocean Song

Between those two, the required time is roughly equal.

Many people combine the grinding of these weapons with the grind for the master slayer gear. An added benefit is the increased damage given by the Slayer Skillcape and buffs from

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Astrology

while fighting slayer tasks. Another benefit is the ability to buy prayer points, Light Runes, and Food at a profit with the use of Generous Resupply.

Requirements

There are very few hard requirements beyond the ability to survive and the entry requirement of

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Slayer Level 90

, but there are several skills and items that will make this grind significantly easier, and we would be remiss to not mention them

Suggestion	Benefit
Error creating thumbnail: File missing Level 90 - Error creating thumbnail: File missing Level 95	Less need for DR
Error creating thumbnail: File missing Level 99	Pillar of Combat
Error creating thumbnail: File missing Level 90	Dragon Synergies
Error creating thumbnail: File missing Level 90
Slayer Helmet (Elite) Slayer Platebody (Elite)	15% Flat Slayer Area Effect Negation

Tidal Edge

To be able to idle Umbora with

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Magic

, you'll need 48% DR assuming you have

950

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Hitpoints

(

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Level 91

with provided

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Agility

table).

We use Standard Magic as Ancient Magicks have a slower kill rate and higher rune cost.

With Cloudburst Staff, use

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Water Surge

or

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Water Wave

(reduced rune cost) With Air Imbued Wand or Fire Imbued Wand or Ocean Song, use

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Fire Surge

.

Use of Combination Runes is highly recommended for all methods.

Equipment

Curse:
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Anguish III
Aurora:
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Surge II
Prayers:
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Augury &
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Battleheart
Point of Interest: Perilous Peaks with Cloudburst Staff or The Academia Arcanum with Ocean Song or Fire Imbued Wand.
Potion: Magic Damage Potion IV

Disclaimer: Gem slot is not required but recommended.

Best to Worst
Glacia God Helmet	Slayer Wizard Hat (Master)
Glacia God Platebody	Slayer Wizard Robes (Master)
Glacia God Platelegs
Glacia God Boots
Glacia God Gloves
Skull Cape
Fury of the Elemental Zodiacs		Elite Amulet of Magic
Master Slayer Item	Elite Slayer Item		Chapeau Noir
Ring of Wealth	Warlock Ring		Guardian Ring
Slayer Gem	Agile Gem		Accuracy Gem
Cloudburst Staff	Ocean Song		Air Imbued Wand
Cloudburst Staff	Scaled Shield		Earth Layered Shield
Fervor Scroll	Magic Hinder Scroll		Monster Hunter Scroll
Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Dragon	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Cyclops

Slayer Wizard Hat (Master) and Slayer Wizard Robes (Master) will kill you if used with Cloudburst Staff and the normal build above. If all you care about is fragments, it is possible to equip a build with Master Slayer armor that is approximately 4% faster than the above recommended build. This is accomplished by equipping Slayer Wizard Hat (Master), Slayer Wizard Robes (Master), Skull Cape AND

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Raft Building

- all 3 pieces of equipment must be worn to outpace Glacia armor, and the agility course keeps you from dying. You need 1050 HP and 45 DR.

Agility

Slot	Obstacle	Bonuses
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 Lake Swim	+1% Damage Reduction +5% Damage To All Monsters +3% Chance To Preserve Prayer Points
7	Error creating thumbnail: File missing Boulder Trap	-20% Chance to Preserve Resources in Skills
8	Error creating thumbnail: File missing Raft Building	+20 Maximum Hitpoints +2% Damage To All Monsters +1% Damage Reduction
9	Error creating thumbnail: File missing Water Jump	+3% Mastery XP in all Skills +8% Magic Max Hit +8% Ranged Max Hit +8% Melee Max Hit
10	Error creating thumbnail: File missing Ocean Rafting	+5% Damage To All Monsters +10% Global Slayer Coins (except Item Sales) +5% Auto Eat Efficiency
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

Drops Per Hour

Both Ocean Song and Fire Imbued Wand were tested with Scaled Shield in off-hand.

Master Item over Elite Item makes an insignificant difference when using Ocean Song or Fire Imbued Wand.

Slayer Coins per hour is only with a Slayer Task.

Estimates of drops per hour.

Weapon & Armor (Passive)	Summons	Tidal Fragments Per Hour	SC per hour
Cloudburst Staff & Glacia ( Master Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Dragon	3.90	185,000
Cloudburst Staff & Glacia ( Master Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Cyclops	3.55	245,000
Cloudburst Staff & Glacia ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Dragon	3.40	170,000
Cloudburst Staff & Glacia ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Cyclops	3.15	235,000
Ocean Song & Master ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Dragon	3.25	165,000
Ocean Song & Master ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Cyclops	3	225,000
Fire Imbued Wand & Master ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Dragon	2.30	115,000
Fire Imbued Wand & Master ( Elite Item)	Error creating thumbnail: File missing Witch Error creating thumbnail: File missing Cyclops	2.00	150,000

Combat Sim Export