Horror from the Deep

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Horror from the Deep (#63)
Horror from the Deep.png
Release date17 November 2004 (Update)
Voice OverNo
Official seriesFremennik #3
AgeFifth Age
Start areaFremennik Province
CombatNPC combat level 80–89
Advanced data
Quest ID281
Quest create ID62
Official difficultyExperienced

Horror from the Deep is an experienced quest revolving around the mysterious disappearance of Jossik, keeper of the Lighthouse near the Fremennik Province. As the title suggests, the investigations lead to the discovery of very dangerous creatures living beneath the lighthouse.

Official description[edit | edit source]

The Lighthouse protecting Kandarin's north-western coastline has mysteriously stopped operating, and contact with the Lighthouse-keeper Jossik has been lost.

The council would greatly appreciate it if somebody could discover for them what has happened to this most vital landscape feature.

Overview[edit | edit source]

Unattended[edit | edit source]

Fixing the bridge to the Lighthouse.

Travel to the Lighthouse by using an enchanted lyre, a games necklace teleport to the Barbarian Outpost, a House Teleport, if your house is in Rellekka, or any other method that you wish. Start the quest by speaking to Larrissa, who can be found standing just outside the lighthouse entrance.

Larrissa tells you that she thinks that her boyfriend, who resides in the lighthouse, has gone missing as she hasn't seen him for a few days. To further her fears, the light is switched off and the front door bolted shut, which she says is unlike him.

Diary of the Presumably Dead[edit | edit source]

A player speaking to Gunnjorn.

When you offer to help search for her boyfriend, Larrissa suggests you speak to Gunnjorn at the Barbarian Outpost for a spare key to the lighthouse and then fix the broken bridge to the east.

To be able to pass the guards and enter the Agility course to talk to Gunnjorn, you must have completed the Bar Crawl miniquest.

  • Travel to the outpost by either using a games necklace teleport or by going south, across the basalt platforms. Talk to Gunnjorn, in the Agility course (next to the Talent Scout) and get the lighthouse key. You can also get two planks here; they respawn just north of the outpost.
  • With 60 steel nails in your inventory, use the planks on both sides of the broken bridge located east of Larrissa. You can cross the broken bridge by doing a small jump, so just hop to the other side and fix that part of the bridge.
The fixed lighthouse.

Go back and talk to Larrissa again, who now tells you to enter the lighthouse and search for Jossik. Inside the lighthouse, climb to the 1st floor[UK]2nd floor[US] and search the bookcase. Retrieve and flip through the lighthouse manual, ancient diary and journal, which tell you about the history of the lighthouse and its inhabitants.

  • On the top level, use molten glass and swamp tar on the lighting mechanism, then light it. The lighthouse will now be fixed.

Elementary[edit | edit source]

The fully unlocked door.

Go down to the basement of the lighthouse, where you will find a small cavern with a strange wall, having six empty slots fitted into its frame.

  • Use all of the basic elemental runes on the wall, (fire, water, earth, and air)
  • Use your sword and your arrow (any type, but remember that you will not get them back).

This is your last chance to prepare for the fight.

Preparation[edit | edit source]

If you haven't prepared for this fight with armour and runes for casting magic, teleport to any place with a bank to ready yourself. If you only brought a games necklace, then use it to teleport to the Gamers' Grotto or Burthorpe Troll Invasion and bank there. While you are there, you may wish to pick up any quick teletab to any city or your POH, just in case you are close to death, to save yourself.

Inventory[edit | edit source]

Combat[edit | edit source]

The fight with the Dagannoth mother.

If you cannot see the colour changes very well, look to the chat box. There would be a message "The Dagannoth mother turns (colour)..." Also, you can change the graphics to "safe mode" to brighten the scene, allowing you to see her colour clearly. Using the wrong type of attack incurs splash damage.

  • By default, her first form is always white. The cycle of the colour changes of the Dagannoth mother seems to be totally random.
  • She can detect prayer and will automatically switch to an attack type different to your protection prayer. By default, she ranges at a distance and melees up close.
  • If you stop attacking her at any point or take too long to finish her off, there is a possibility that she will disappear and you will have to start the fight again.
  • If a player has reasonable defence, they could consider using attack-boosting prayers instead, because the Dagannoth mother has a rather poor accuracy.
  • Necromancy attacks do not work.

Get ready to face the mother!

The Horror[edit | edit source]

Jossik, injured in the dungeon below the lighthouse.

Once you are ready, walk through the unlocked wall and down the ladder. You find Jossik alive, but hurt and resting against the dungeon wall. He tells you that his search for his lost uncle, Silas, had brought him past the secret door, but he was attacked by a monster who was able to trap him there.

As he is talking, he announces that the monster is coming back. A cutscene plays where a dagannoth appears from the water. The monster can be fairly easily disposed; put on protect from melee and range or melee it, as you need to save your runes for its mother.

After you defeat it, try to help Jossik up to the surface, but he tells you that that wasn't the monster that had attacked him. A cutscene will show the Dagannoth mother emerging into the cavern, and engaging you immediately into battle.

Colour Attack Weakness
White Air spells (Wind Strike, Bolt, Blast, Wave, and Surge)
Smoke spells (Smoke Rush, Burst, Blitz and Barrage)
Blue Water spells (Water Strike, Bolt, Blast, Wave, and Surge)
Ice spells (Ice Rush, Burst, Blitz and Barrage)
Brown Earth spells (Earth Strike, Bolt, Blast, Wave, and Surge)
Shadow spells (Shadow Rush, Burst, Blitz and Barrage)
Red Fire spells (Fire Strike, Bolt, Blast, Wave, and Surge)
Blood spells (Blood Rush, Burst, Blitz and Barrage)
Orange Melee attacks (Slash > Stab/Crush)
Green Ranged attacks (Thrown > Arrow/Bolt)

The God Books[edit | edit source]

After you defeat the Dagannoth mother, congratulations. You have survived the Horror from the Deep!

As a reward from the Dagannoth mother, you obtain a rusty casket. Go to the 1st floor[UK]2nd floor[US] of the lighthouse and show it to Jossik. If you had a full inventory when defeating the Dagannoth mother, you will not receive a rusty casket. Instead, you must talk to Jossik, who will have picked it up for you.

You may now choose a book affiliated with three gods: Saradomin's Book of Wisdom, Guthix's Book of Balance or Zamorak's Book of Chaos. Be sure to choose the same book twice in a row when he asks if you are sure about your selection.

Rewards[edit | edit source]

Horror from the Deep reward.png
Music unlocked

Achievements[edit | edit source]

Required for completing[edit | edit source]

Horror from the Deep is directly required for the following quests/miniquests:


Transcript[edit | edit source]

Credits[edit | edit source]

Horror from the Deep
DeveloperMod James
Art & Graphics
GraphicsMod Joe, Mod Neil
Quality Assurance
Quality assuranceDaniel G
AudioMod Ian
Quest HelpMod Mog, Mod Ingrid

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included—see here for how to help out!
  • patch 9 August 2021 (Update):
    • Added a left-click option to fix the light in the Lighthouse during Horror from the Deep.
  • patch 8 January 2018 (Update):
    • Typos in the quest overview screen for Horror from the Deep have now been corrected.
  • patch 24 July 2012 (Update):
    • The Horror from the Deep bridge now shows which side of the bridge players have or haven't fixed.
  • patch 5 July 2011 (Update):
    • A grammatical error in this quest has been fixed.
  • patch 3 December 2009 (Update):
    • Corrected the reward listed by the Advisor system for Horror from the Deep.
  • patch 9 June 2009 (Update):
    • Corrected the striking of a few requirements in the Horror from the Deep quest.
  • patch 19 May 2009 (Update):
    • Improved consistency in the examine message for items in Horror from the Deep.

Cultural references[edit | edit source]

Trivia[edit | edit source]

  • The quest was originally named Lighthouse Quest.
  • When you complete the quest, the scroll says: 'Congratulations! You have survived the Horror From The Deep!' This is one of the only quests that say something different to having completed a quest, along with My Arm's Big Adventure, Recruitment Drive, The Giant Dwarf, Troll Romance and One Small Favour.
  • It is impossible to obtain a book of Armadyl, Bandos, or Zaros as a reward for the quest. You can only choose to buy those books after you obtain one of the three books of Guthix, Saradomin or Zamorak.
  • With the release of Legacy Mode, the combat level of most monsters and NPCs were scaled down. While the Dagannoth Mother was downgraded from 120 to 84, the Baby Dagannoth remains at 100.