Horror from the Deep/Quick guide

This is the quick guide for the quest Horror from the Deep; for the more in-depth version click here.

Start point:	Speak with Larrissa, who is outside the Lighthouse, north of Barbarian Outpost.
Members only:	Yes
Official difficulty:	Experienced
Description:	None
Length:	Short (Long if you haven't already done the Bar Crawl miniquest)
Requirements:	Quests: Barcrawl 35 (boostable) Agility 43 is HIGHLY recommended. Ability to defeat two Level 100 monsters, the second one being quite tricky. Level 13 magic is not required but needed to use elemental spells. Decent ranged and melee levels.
Items required:	1 Fire rune 1 Water rune 1 Earth rune 1 Air rune A sword of any type that you are willing to lose An arrow of any type (except ogre and training) you are willing to lose, Ice Arrows will work Molten glass Tinderbox (can't be from the toolbelt) A hammer (can't be the Golden hammer) 60 steel nails 2 normal planks (can be obtained from Barbarian Outpost, north of the agility course) 1 swamp tar A melee weapon, ranged equipment, and runes for all four elemental spells to switch amongst in combat Recommended: Games Necklace and quick teleport tabs are very helpful to reach the Lighthouse during the quest. Houses by Rellekka are also helpful transportation methods.
Enemies to defeat:	Level 100 Baby Dagannoth Level 100 Dagannoth Mother

Getting Started

File:Lighthouse area.png

A map of the lighthouse area. Click to enlarge.

• Head to the Lighthouse North of the Barbarian Outpost and talk to Larrissa.

Reparations

• Go South to the Barbarian Outpost.
• Talk to Gunnjorn.
• Use Planks and sixty Steel nails on both sides of the bridge East of Larrissa.
• Talk to Larrissa.
• Search the bookcase on the first floor of the lighthouse.
• Read the Manual and Ancient diary.
• Go to the second floor and use Molten glass, Swamp tar, and a Tinderbox on the lighting mechanism.
• Talk to Larrissa.

The Battle

• Go to the lighthouse basement.
• On the strange wall, use a Fire rune, Air rune, Water rune, Earth rune, a Sword, and an Arrow.
• Go down the ladder and kill the Dagannoth mother.
  • Strategies can be found here.
  • The following table shows her weaknesses in different forms:

Colour	Attack Weakness
White	Air spells (Wind Strike, Bolt, Blast, Wave, and Surge)
Blue	Water spells (Water Strike, Bolt, Blast, Wave, and Surge)
Brown	Earth spells (Earth Strike, Bolt, Blast, Wave, and Surge)
Red	Fire spells (Fire Strike, Bolt, Blast, Wave, and Surge)
Orange	Melee attacks (at least Rune weapons are recommended)
Green	Ranged attacks or Special attacks (Adamant or Rune crossbow recommended)

• Quest complete!