Dark Waters/Guide

From Melvor Idle
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T90 Farming

Following completion of Into the Mist (dungeon).svg Into the Mist, you now have access to Dark Waters (combatArea).svg Dark Waters, the penultimate slayer area. These 3 mobs drop fragments for the T90 weapons, the highest level, and often most powerful, weapons in the 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, namely Slayer Skillcape (item).svg Slayer Skillcape. This will make the order you obtain the final weapons in effectively random, but if you want to do them in a specific order, we recommend the following:

Additionally, you should also acquire the pet Otto (pet).svg 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, and you should attempt to sneak in as much item doubling into your gear as possible. Using Combat Sim to measure your Drops/hr with no deaths is highly recommended. It can make the difference in literal days of grinding.

Order

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

While it may seem that using these weapons to farm the other weapons would be beneficial, this is not the case due to the relatively weak power level of Tidal Edge (item).svg Tidal Edge and Ocean Song (item).svg Ocean Song compared to other available weapons. The only suggestion here is to obtain Shockwave (item).svg Shockwave and use it to obtain Ocean Song (item).svg Ocean Song

The common orders are:

- Shockwave (item).svg Shockwave then Ocean Song (item).svg Ocean Song then Tidal Edge (item).svg Tidal Edge

- Tidal Edge (item).svg Tidal Edge then Shockwave (item).svg Shockwave then Ocean Song (item).svg 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 (item).svg Slayer Skillcape and buffs from Astrology (skill).svg Astrology while fighting slayer tasks. Another benefit is the ability to buy prayer points, Light Rune (item).svg Light Runes, and Food at a profit with the use of Shark (item).svg Generous Resupply.

Requirements

There are very few hard requirements beyond the ability to survive and the entry requirement of Slayer 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
Slayer Skillcape (item).svg Slayer Skillcape 25% Flat Slayer Area Effect Negation
Hitpoints Level 99 Less need for DR
Agility Level 99 Pillar of Combat
Summoning Level 90 Dragon Synergies
Prayer Level 95 Battleheart (prayer).svg Battleheart
Slayer Helmet (Elite) (item).svg Slayer Helmet (Elite) 15% Flat Slayer Area Effect Negation
Slayer Cowl (Elite) (item).svg Slayer Cowl (Elite) 15% Flat Slayer Area Effect Negation
Infernal Claw (item).svg Infernal Claw Outpaces Rokken's stun
Cloudburst Staff (item).svg Cloudburst Staff Highest damage weapon in the game
Slayer's Crossbow (item).svg Slayer's Crossbow Highest damage non-T90 ranged weapon for slayer

Below are some gear suggestions. Depending on what Prayer (skill).svg Prayer, Herblore (skill).svg Potions, and Agility (skill).svg Agility buffs you use or have access to, your optimal gear can change.

Buffs

Agility
# Obstacle Reason
1 X
2 X
3 Agility (skill).svg Pipe Climb No particular reason beyond being the only obstacle that grants any combat benefits.
4 Agility (skill).svg Coal Stones No negative modifiers, technically saves some food.
5 Agility (skill).svg Cliff Balance +20 hp. This does make your prayers cost more, but as you're buying your prayer points anyways, the cost increase isn't quite as painful.
6 Agility (skill).svg Lake Swim +3% damage, +1% DR. Agility (skill).svg Rocky Waters may help as a first line of defense for surviving if you're mildly undergeared, but will not be considered the default.
7 Agility (skill).svg Boulder Trap No negative combat modifiers.
8 Agility (skill).svg Spike Jump +5% Chance to Double Items. Agility (skill).svg Pipe Crawl will be slightly faster, but the negative to slayer coins hurts, especially for Magic sets using the Cyclops (item).svg Cyclops synergy.
9 Agility (skill).svg Ice Jump This obstacle does everything you want it to.
10 Agility (skill).svg Lava Waterfall Dodge Agility (skill).svg Ocean Rafting is technically the best dps option. Lava Waterfall Dodge is recommended slightly above it, as you preserve some of your ammo and runes, earn more coins, and have an easier time swapping to skilling to restock.
P Agility (skill).svg Pillar of Combat Lots of beneficial combat bonuses
Prayer

For Melee, use Battleheart (prayer).svg Battleheart and Piety (prayer).svg Piety or the highest level combat style prayers you have available.

For Ranged, use Battleheart (prayer).svg Battleheart and Rigour (prayer).svg Rigour or the highest level combat style prayers you have available.

For Magic, use Battleheart (prayer).svg Battleheart and Augury (prayer).svg Augury or the highest level combat style prayers you have available.

Potions

For all combat styles, use Diamond Luck Potion IV (item).svg Diamond Luck Potions

For Ranged, with Shockwave (item).svg Shockwave, it is sometimes possible that Ranged Strength Potion IV (item).svg Ranged Strength Potion IV is stronger than Diamond Luck Potions. This should never be done without checking Combat Sim for yourself, and should never be done unless the potion is specifically Ranged Strength Potion IV (item).svg Ranged Strength Potion IV, and not any lower mastery.

Summoning

For Melee, use Dragon (item).svg Dragon and Minotaur (item).svg Minotaur

For Ranged, use Dragon (item).svg Dragon and Centaur (item).svg Centaur

For Magic, use Dragon (item).svg Dragon and Witch (item).svg Witch

Notably for Magic, using Cyclops (item).svg Cyclops and Witch (item).svg Witch Tablets will earn you significantly more coins at a fairly minimal loss of kills per hour. This is most obvious with Cloudburst Staff (item).svg Cloudburst Staff.

Tidal Edge

To be able to idle Umbora (monster).svg Umbora with Magic (skill).svg Magic, you'll need 47 DR assuming you have 1000 HP.

Umbora (monster).svg Umbora can be killed with Normal Magic if you have a Cloudburst Staff (item).svg Cloudburst Staff or an Ocean Song (item).svg Ocean Song, or with Ancient Magicks at a much slower rate. Note that Cloudburst is by far the fastest method, even if you have to squeeze in extra DR from Guardian Ring (item).svg Guardian Ring or Prayer (skill).svg Prayer

With Cloudburst Staff (item).svg Cloudburst Staff, use Water Surge (spell).svg Water Surge or Water Wave (spell).svg Water Wave (reduced rune cost), Anguish III (curse).svg Anguish III, and Fury II (aurora).svg Fury II.

With Ocean Song (item).svg Ocean Song, use Fire Surge (spell).svg Fire Surge, Anguish III (curse).svg Anguish III, and Surge II (aurora).svg Surge II.

With an Air Imbued Wand (item).svg Air Imbued Wand or a Fire Imbued Wand (item).svg Fire Imbued Wand, use Gust (spell).svg Gust or Incinerate (spell).svg Incinerate.

Use of Combination Runes is highly recommended for all methods.

Slot Better to Worse
Head Glacia God Helmet (item).svg Glacia God Helmet Slayer Wizard Hat (Master) (item).svg Slayer Wizard Hat (Master)
Body Glacia God Platebody (item).svg Glacia God Platebody Slayer Wizard Robes (Master) (item).svg Slayer Wizard Robes (Master)
Leggings Glacia God Platelegs (item).svg Glacia God Platelegs
Boots Glacia God Boots (item).svg Glacia God Boots
Hands Glacia God Gloves (item).svg Glacia God Gloves
Cape Maximum Skillcape (item).svg Maximum Skillcape Slayer Skillcape (item).svg Slayer Skillcape
Neck Fury of the Elemental Zodiacs (item).svg Fury of the Elemental Zodiacs Elite Amulet of Magic (item).svg Elite Amulet of Magic Warlock Amulet (item).svg Warlock Amulet
Passive Chapeau Noir (item).svg Chapeau Noir Ring of Wealth (item).png Ring of Wealth Aorpheat's Signet Ring (item).svg Aorpheat's Signet Ring
Ring Ring of Wealth (item).png Ring of Wealth Warlock Ring (item).svg Warlock Ring Guardian Ring (item).svg Guardian Ring
Weapon Cloudburst Staff (item).svg Cloudburst Staff Air Imbued Wand (item).svg Air Imbued Wand Magic Wand (Elite) (item).svg Magic Wand (Elite)
Offhand Scaled Shield (item).png Scaled Shield Earth Layered Shield (item).svg Earth Layered Shield

Slayer Wizard Hat (Master) (item).svg Slayer Wizard Hat (Master) and Slayer Wizard Robes (Master) (item).svg Slayer Wizard Robes (Master) will kill you if used with Cloudburst Staff (item).svg 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) (item).svg Slayer Wizard Hat (Master), Slayer Wizard Robes (Master) (item).svg Slayer Wizard Robes (Master), Skull Cape (item).svg Skull Cape AND Agility (skill).svg Rocky Waters - all 3 pieces of equipment must be worn to outpace Glacia armor, and the agility course keeps you from dying. You need 1090 HP and 44 DR.

Ocean Song

To be able to idle Ku-tul (monster).svg Ku-tul with Ranged (skill).svg Ranged, you'll need 48 DR assuming you have 1,000 HP.

You'll be killing Ku-tul (monster).svg Ku-tul with either a Shockwave (item).svg Shockwave, Slayer's Crossbow (item).svg Slayer's Crossbow or an Ancient Crossbow (item).svg Ancient Crossbow. Use of Jadestone Bolts (item).svg Jadestone Bolts is recommended, Emerald Bolts (item).svg Emerald Bolts are not recommended as jadestone bolts should be plentiful enough at this point in progression.

Slot Better to Worse
Head Slayer Cowl (Master) (item).svg Slayer Cowl (Master) Slayer Cowl (Elite) (item).svg Slayer Cowl (Elite)
Body Slayer Leather Body (Master) (item).svg Slayer Leather Body (Master) Aeris God Platebody (item).svg Aeris God Platebody
Leggings Aeris God Platelegs (item).svg Aeris God Platelegs (U) Ancient D-hide Chaps (item).svg (U) Ancient D-hide Chaps
Boots Aeris God Boots (item).svg Aeris God Boots Sand Treaders (item).svg Sand Treaders
Hands Aeris God Gloves (item).svg Aeris God Gloves (U) Ancient D-hide Vambraces (item).svg (U) Ancient D-hide Vambraces
Cape Maximum Skillcape (item).svg Maximum Skillcape Slayer Skillcape (item).svg Slayer Skillcape
Passive Chapeau Noir (item).svg Chapeau Noir Ring of Wealth (item).png Ring of Wealth
Neck Deadeye Amulet (item).svg Deadeye Amulet Fury of the Elemental Zodiacs (item).svg Fury of the Elemental Zodiacs Elite Amulet of Ranged (item).svg Elite Amulet of Ranged
Ring Ring of Wealth (item).png Ring of Wealth Aorpheat's Signet Ring (item).svg Aorpheat's Signet Ring Guardian Ring (item).svg Guardian Ring
Weapon Slayer's Crossbow (item).svg Slayer's Crossbow Ancient Crossbow (item).svg Ancient Crossbow
Offhand Scaled Shield (item).png Scaled Shield Dragonfire Shield (item).svg Dragonfire Shield Earth Layered Shield (item).svg Earth Layered Shield
Ammo Jadestone Bolts (item).svg Jadestone Bolts Emerald Bolts (item).svg Emerald Bolts Ruby Bolts (item).svg Ruby Bolts

40% slayer area reduction increases your dps against Ku-tul (monster).svg Ku-tul, and therefore, unless it will lead to your untimely demise, at least a Slayer Cowl (Elite) (item).svg Slayer Cowl (Elite) should be used.

Slayer Cowl (Master) (item).svg Slayer Cowl (Master) and Slayer Leather Body (Master) (item).svg Slayer Leather Body (Master) positively impact the amount of fragments you receive, and if available, should be used.

Shockwave

While the other two weapons are pretty straightforward in terms of gear, the Shockwave (item).svg Shockwave is not.

Rokken (monster).svg Rokken is by far the most dangerous and is both willing, and able to kill you if you are not extremely careful in your setup. This monster is able to buff itself to an attack speed of 2.2s, and is able to stun you, which massively increases its damage against you. Your goal here is either to be able to survive the increased stun damage, or to never actually take the stun damage by having an equivalent or faster attack speed than the monster.

You need to use Melee for this grind, and as said before, it is highly recommended that you use an Infernal Claw (item).svg Infernal Claw to complete this. Tidal Edge (item).svg Tidal Edge is too slow to reliably survive Rokken's stun without significant extra work, requiring you to put on more DR that will massively affect your kill time. Assuming you were able to use the exact same setup with no Astrology (skill).svg Astrology buffs, Infernal Claw (item).svg Infernal Claw is only 1-2% slower than Tidal Edge (item).svg Tidal Edge. Adding buffs from Astrology (skill).svg Astrology, adding the additional DR or attack interval reduction required for Tidal Edge, and using summoning combat familiars invert this difference and make Tidal Edge up to 20% slower with no tangible benefit.

Slot Better to Worse
Head Slayer Helmet (Master) (item).svg Slayer Helmet (Master) Slayer Helmet (Elite) (item).svg Slayer Helmet (Elite)
Body Slayer Platebody (Master) (item).svg Slayer Platebody (Master) Ragnar God Platebody (item).svg Ragnar God Platebody Terran God Platebody (item).svg Terran God Platebody
Leggings Ragnar God Platelegs (item).svg Ragnar God Platelegs Terran God Platelegs (item).svg Terran God Platelegs
Boots Ragnar God Boots (item).svg Ragnar God Boots Terran God Boots (item).svg Terran God Boots
Hands Ragnar God Gloves (item).svg Ragnar God Gloves Terran God Gloves (item).svg Terran God Gloves
Cape Maximum Skillcape (item).svg Maximum Skillcape Slayer Skillcape (item).svg Slayer Skillcape
Passive Fighter Amulet (item).svg Fighter Amulet Chapeau Noir (item).svg Chapeau Noir
Neck Fury of the Elemental Zodiacs (item).svg Fury of the Elemental Zodiacs Fighter Amulet (item).svg Fighter Amulet
Ring Ring of Wealth (item).png Ring of Wealth Aorpheat's Signet Ring (item).svg Aorpheat's Signet Ring Ring of Blade Echoes (item).png Ring of Blade Echoes Guardian Ring (item).svg Guardian Ring
Weapon Infernal Claw (item).svg Infernal Claw
Offhand Dragonfire Shield (item).svg Dragonfire Shield Earth Layered Shield (item).svg Earth Layered Shield

The Fighter Amulet (item).svg Fighter/Fury of the Elemental Zodiacs (item).svg FEZ is the best passive/neck setup, even beating out the item doubling from Chapeau Noir (item).svg Chapeau Noir. Note that wearing Fury of the Elemental Zodiacs (item).svg FEZ is required to wear Master Slayer armor.

One major note is that the Ring of Blade Echoes (item).png Ring of Blade Echoes is marginally faster for fragments/h than all other rings, however, due to its interaction of significantly increasing your use of consumables like Prayer Points and Potions, it is lower on the rankings.

Slayer Helmet (Master) (item).svg Slayer Helmet (Master) and Slayer Platebody (Master) (item).svg Slayer Platebody (Master) positively impact the amount of fragments you receive, and if available, should be used.

For this set-up to work safely without risk of death, the player's attack interval while in combat with this enemy must be less than or equal to 2.2 seconds, as this means the player is quick enough to avoid taking extra damage when Rokken (monster).svg Rokken attacks with the Shockwave special attack. To achieve this, we use a weapon that has a base 2.2s interval, and gather 40% total slayer area negation through Slayer Skillcape (item).svg Slayer Skillcape and Slayer Helmet (Elite) (item).svg Slayer Helmet (Elite).

Check your setup with the Combat Simulator before engaging Rokken.

At 1,000 HP, which can be achieved with Hitpoints Level 97 and +30 HP from Dragonfire Shield (item).svg Dragonfire Shield, this method requires 48% Damage Reduction.