The area requires maximizing a different stat than DR. All of the monsters here will heal a % of their current HP every 2 attacks, which will massively hinder your DPS regardless of the setup. To mitigate this, you need a cumulative 100% Flat Slayer Area Effect Negation.
For the other combat styles, you'll be wearing the equivalent Master Slayer armor. Note that you cannot ever wear two of the same item, so whichever item you choose to put in the passive slot must be one of the armor pieces not currently equipped in your chest/head slots.
It should be noted that while UW is listed first, completing the Impending Darkness Event will strictly make this grind faster! You can complete ID without any of the UW gear sets, and the shields greatly speed up these grinds.
While you are here, you will be working to acquire all of the set bonus gear, dropped from each of the UW monsters:
+3% damage, +1% DR. Rocky Waters may help as a first line of defense for surviving if you're mildly undergeared, but will not be considered the default.
+5% Chance to Double Items. Pipe Crawl will be slightly faster, but the negative to slayer coins hurts, especially for Magic sets using the Cyclops synergy.
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.
For Ranged, with Shockwave, it is sometimes possible that 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, and not any lower mastery.
Notably for Magic, using Cyclops and Witch tablets will earn you significantly more coins at a fairly minimal loss of kills per hour.
Below are some gear suggestions. As the final pre-100 combat area, it is assumed that you have access to all buffs. However, depending on your specific setup, your optimal gear may change.
Legaran Wurms are the main enemy where your Astrology bonuses change what equipment you wear. With absolutely no combat bonuses from astrology, Tidal Edge and Fighter Amulet are your best bet. With enough stardust spent, FEZ overtakes Fighter for kills per hour, however, Fighter Amulet will always consume less food for only a minor hit to DPS. With even more stardust spent, Infernal Claw once again takes the cake, the lemons, and all the loot.
For consumables, Melee has few stipulations, just equip whatever kills the enemy the fastest
The Cloudburst Staff is approximately 10% faster at killing Spiked Red Claws, however, it requires the use of Damage Reduction Potion IV, and will consume significantly more food, runes, and potions
The Ocean Song build with Shield of Magic Power equipped, and both Leonardo and Erran), requires 1% more DR. The Safeguard prayer gives you this 1% DR at the lowest cost to DPS. Stone Skin is a more expensive alternative if you don't have one of the DR pets
Greater Dragons are the most dangerous enemy currently in the game as Affliction buildup can result in an unfortunate death. This can be mitigated best, like most untimely deaths, by killing the enemy before they kill you. The most important element to beating Greater Skeletal Dragons is Protect from Melee as it massively reduces your chance of death, while increasing your DPS due to you spending less time stunned.
Unhallowed Wasteland (UW) - the hardest pre-99 
Slayer area.
Map to the Unhallowed Wasteland.
Slayer Helmet (Master)
Slayer Platebody (Master)
Slayer Cowl (Master)
Max Skillcape/
Slayer Skillcape
Hunter's Ring
Agility Pillar of Combat
Impending Darkness Event will strictly make this grind faster! You can complete ID without any of the UW gear sets, and the shields greatly speed up these grinds.
Poison Virulence Gloves/
Poison Virulence Ring - Upgrades from 
Worm Spike/
Poison Essence respectively, dropped by 
Legaran Wurm
Burning Madness Gloves/
Burning Madness Ring - Upgrades from 
Cursed Hands/
Burning Essence respectively, dropped by 
Cursed Lich
Spiked Shell Gloves/
Spiked Shell Ring - Upgrades from 
Tough Shell/
Stinging Essence respectively, dropped by 
Spiked Red Claw
Relentless Fury Gloves/
Relentless Fury Ring - Upgrades from 
Desecrated Bones/
Undead Essence respectively, dropped by 
Greater Skeletal Dragon
Cyclops synergy.
Battleheart and 
Piety or the highest level combat style prayers you have available.
Rigour or the highest level combat style prayers you have available.
Diamond Luck Potions
Shockwave, it is sometimes possible that 
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 
Dragon and 
Minotaur
Centaur
Witch
Ragnar God Platelegs
Terran God Platelegs
Ragnar God Boots
Terran God Boots
Ragnar God Gloves
Terran God Gloves
Fighter Amulet
Fury of the Elemental Zodiacs
Tidal Edge
Infernal Claw
Shield of Melee Power
Dragonfire Shield
Astrology bonuses change what equipment you wear. With absolutely no combat bonuses from astrology, 
Diamond Luck Potions
Protect from Ranged (-14% KPH, -60% food usage)
Slayer Leather Body (Master)
Aeris God Platelegs
Aeris God Boots
Aeris God Gloves
Slayer Wizard Hat (Master)
Deadeye Amulet
Shield of Ranged Power
Scaled Shield
Protect from Magic (-8% KPH, -60% food usage)
Slayer Wizard Robes (Master)
Glacia God Platelegs
Glacia God Boots
Glacia God Gloves
Cloudburst Staff
Ocean Song
Shield of Magic Power
Earth Layered Shield
Damage Reduction Potion IV, and will consume significantly more food, runes, and potions
Augury
Water Surge, 
Decay, and 
Fury II
Leonardo and 
Erran), requires 1% more DR. The 
Safeguard prayer gives you this 1% DR at the lowest cost to DPS. 
Stone Skin is a more expensive alternative if you don't have one of the DR pets
Fire Surge, 
Surge II
Protect from Melee as it massively reduces your chance of death, while increasing your DPS due to you spending less time stunned.
Combat:
