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Instruction manual.png
This quest has a quick guide found here.
It briefly summarises the steps needed to complete the quest.

Regicide is the fourth quest in the Elf quest series, where King Lathas sends the player to Tirannwn to kill his brother, King Tyras, and end his tyranny.

Details[edit | edit source]

Walkthrough[edit | edit source]

Note: When doing this quest, players should make sure that they have everything required before continuing. The coal, pot, strip of cloth, pestle and mortar, limestone, and gloves do not need to be brought to Tirannwn. If players reach Tirannwn and realize that they have forgotten something, it is a very long way between the bank and the quest areas, even if teleports are used.
Note: Players under 56 agility can use the fact that most dense forest only has an agility requirement one way through the forest. It is advised to attempt passing through the forest before taking a bite or sip from your boosting item.

Starting out[edit | edit source]

You may be approached by the King's Messenger, but this is not required. Talk to King Lathas. He will tell you to go through the Underground Pass (dungeon) again to the western darklands. Once there, you will meet some scouts of his. You must speak to King Lathas and be informed of your new mission before going through the Underground Pass; otherwise, you won't be able to enter Iban's Temple.

First trip[edit | edit source]

Note: Items needed for the first trip: only the items you need for the Underground Pass (dungeon) that have been mentioned in the details: a bow, a few arrows, a tinderbox, plank, spade, antipoison, rope, a pickaxe (if mining the limestone in Tirannwn), combat gear to kill a level 110 Tyras guard, a ton of food, and at least 3 Agility boosts if you are boosting. There are no banks in Isafdar until after you have started Mourning's End Part I.
Tip: If you bring an axe with your tinderbox you can make your own fire, and kill and cook rabbits in Isafdar, giving you an endless supply of food to heal up after failing traps. If you forget your tinderbox, there are a handful of fires that burn continuously in the Iorwerth camp, however, you must get through a number of traps before you reach the Iorwerth camp - if you do not have enough food to get through a few fails of the traps, you might not reach the Iorwerth camp in time. Stock up on raw rabbits before going to the Iorwerth camp and cook them when you get there.
Additional sources of food are: bring a fly fishing rod with you. You may kill chicken in the Tyras camp for feathers and use them at the Lure/Bait fishing spot in the Iorwerth camp. Again, you must successfully pass several traps to have access to both camps. If you are poisoned, pulling up the 'Items kept on Death' screen will stall the poison damage, you can use this to help regenerate health in dire situations.

See the separate guide for how to get through the pass. If you have just enough agility potions to complete the required elf traps, do not waste them here as it takes another voyage through the pass to get back to the elf lands.

Once you are at Iban's temple (where you encounter him during Underground Pass), go in and talk to Koftik if you require food. Simply climb down the Well of Voyage and go out of the cave.

Isafdar[edit | edit source]

Welcome to Tirannwn! Go into the forest just a little bit and wait for an elf named Idris to spawn and start a dialogue with you. This may take a little while. He will question why you are here, but he is slain by Essyllt and Morvran before he has the chance to finish. They will tell you to talk to Lord Iorwerth, who can be found at the camp in the north-west corner of the forest.

Before proceeding with the quest, here is a detailed map of Tirannwn:

Isafdar map.png

As you navigate the forest, you will encounter four different obstacles:

  • Dense forest: You will learn how to navigate this obstacle after speaking to an Elf Tracker later in the quest. 56 Agility is required to push through the dense forest, though this is not required to return back to the starting point of this obstacle (e.g., returning from Tyras Camp to the forest). This obstacle cannot be failed.
  • Leaf trap: This obstacle is a pitfall that appears as a circle of leaves on the ground. Click "Jump Over" on the side of the trap that is closest to where you are standing. If you ignore or fail the trap, you will fall through the leaves and lose 15 HP.
  • Tripwire: You will see two rocks connected by a thin wire with four small crossbows pointing at them. Right click between the rocks to step over the tripwire. If you ignore or fail the trap, you will lose 10 HP and be poisoned, starting at 2 HP.
  • Stick trap: This obstacle appears as some sticks on the ground. Click "Pass" on the obstacle. If you ignore or fail the trap, you will lose 8 HP. If you stand in front of the trap by exactly one square, and repeatedly 'spam'-click the trap until your character moves over, you will negate any damage and never fail this trap, no matter your agility level. If you stop clicking for just one tick, your character will attempt to walk, and may fail and take damage! So make sure to keep clicking until your characters moves automatically.

Getting through the forest[edit | edit source]

Make your way to the Iorwerth Camp in the north-west corner. See the map above for reference.

  • From the Underground Pass exit, head west and take the south split in the path to avoid the stick trap.
  • Keep going west until you see a leaf trap (pitfall) to the south. Jump over it.
  • Keep going south until you reach two small pools of water. Go west and cross the stick trap.
  • Head up the north-west path and jump over the leaf trap. Keep heading north and cross the log balance to reach the camp.

At the camp, speak with Lord Iorwerth. He will tell you to talk to his tracker after you tell him that King Lathas sent you.

Head back down the path you took to reach the camp, but head south when you reach the stick trap.

The Elf Tracker is near the Poison Waste. He will not believe what you say since you are a human, so return to Lord Iorwerth to get a crystal pendant. Talk to the tracker again with the pendant in your possession. He will tell you to find the Tyras Camp.

A safespot is available to fight the Tyras guard.

Click "Follow" on the footprints near the dense forest to the west. You will receive a message telling you that you unable to follow the footprints. Return to the tracker and tell him. You will now be able to climb through dense forest if you have 56 Agility. You will have to pass through dense forest six times during the quest, bring at least 6 of the appropriate Agility boost.

Climb through the dense forest just west of the tracker and a level-110 Tyras guard will attack you, equipped with a steel halberd. Despite having a halberd, he does not have a 2-square attack range. You can use a safespot or Protect from Melee to make the fight easier. If you take too long in killing him, he will despawn, and you will have to try to summon him again, or kill the guard by the entrance to the Tyras camp instead. This alternative guard does not despawn, but he does in fact have a 2-square attack range, and there is a lack of suitable safespots nearby. After you have killed one of these guards, proceed to the Tyras Camp, stepping over the tripwire to the north-west if you killed the first guard. Climb through the dense forest to the north and then head west. You will find Tyras Camp past the dense forest that is south of the catapult.

Talk to General Hining. He will tell you that you can't see King Tyras. You can buy bread from the general store if you are low on food. Go back to the Elf Tracker; then, talk to Lord Iorwerth.

Getting the materials[edit | edit source]

Lord Iorwerth will give you the Big Book O' Bangs. Don't drop this book - you need it when in Rimmington later. Talk to Lord Iowerth and ask him about all the items.

In order to build the explosive, you will need a barrel of coal tar, sulphur, and limestone. Here is how to gather the materials:

The location to obtain the coal tar.
  1. If you wish to mine limestone in the forest, head east of the Iorwerth camp and through the dense forest, and north-east past the gates of the elven city. Find some limestone rocks and mine one piece of limestone. There is a limestone mine north-east of Varrock as well.
  2. Take some barrels from the Iorwerth camp. Take at least three, because you can lose your coal tar when attempting to make the barrel of naphtha. Another barrel of naphtha will be required for the Mourning's End Part I quest, so you can take extra barrels now to save time later. Head back to the Elf Tracker. Go to the poison waste swamp south of the tracker and fill all your barrels with coal tar. See the image for where to obtain it. The target tile looks no different from the neighbouring grey swamp tiles, but has a "Take Coal Tar" option when hovered over.
  3. Gather some of the sulphur from beside the poison waste swamp. You will only need one unless you lose the bomb.

Make sure you have the big book of bangs, at least one barrel of coal tar, and some sulphur. After this, it is safe to teleport out of Isafdar.

Making the barrel of naphtha[edit | edit source]

Note: If you are planning to do Mourning's End Part I, you may make an extra barrel of naphtha (not a completed Barrel Bomb) and keep it in the bank. However, if you are short on inventory space, it is easy to obtain another barrel of naphtha after obtaining the teleportation crystal at the beginning of Mourning's End Part I.

Bring the Big book of bangs, your barrels of coal tar, and at least 9 coal per barrel. You can bring noted coal and coins, and exchange for unnoted coal at a price of 5 coins per banknote in the house near the POH portal.

Go to the Chemist in Rimmington. (Teleport to the Crafting Guild with a skills necklace, or to Falador, or your house if it is in Rimmington, or to Pest Control/Port Sarim Rat Pits using the Minigame Group Finder.) Talk about the quest, and he will give you permission to use the distiller. Now, use the barrel of coal tar on the large distiller outside.

Read this whole section first before you distill! You will lose the barrel of coal tar if the pressure or heat rises in excess of the red zone.

The interface when making a barrel of naphtha.

The barrel is only used to access the machine; as long as you leave the window open and have enough coal you can still do the distilling. All you need to do here is to get the green bar filled. You can configure the machine before using any coal.

The valves can be clicked on their left side or their right side to control what side they go to.

The idea of using this distiller is to keep pressure stable on its green area (tips below) and keep the heat on the green area as long as possible while adding coal, but there is tolerance for mistakes.

The pressure valve has 3 positions: Closed, controlled and release (last one resets pressure to 0, remember you need some pressure to make the naphtha), it is initially closed (handle on the left side).

The tar regulator has 3 positions as well: Closed, intake and afterburner, it is also initially closed and once you put it to intake (handle at the top) pressure will start going up.

Let the pressure go up to the green area, but pay attention to the heat level. Add coal as needed, optimally to maintain the heat gauge in the green zone, but it could be played more safely by keeping it well below overheating.

A very easy way to do this is:

  1. Start by using the barrel of coal tar on the Fractionalising still
  2. Turn the valve on the right all the way to the third tick (all the way to the right).
  3. Wait for the pressure gauge to land in the green zone.
  4. Turn the valve on the left to the second tick (in the middle) to halt the pressure in the green zone. If it landed in the red zone, you could turn the valve right to relieve some pressure, then back to the middle.
  5. The valves never need to be touched again, and the pressure gauge can be ignored.
  6. Add 2 coal, and then 1 additional coal whenever the heat gauge falls too low (below, or counterclockwise from, the green zone). Don't spam click the "add coal" button. If you add 4 at once, it is likely to overheat and you will have to restart, this does not make you lose your barrel of coal. Simply add more coal to start the process again. Optimally, the process is fast and may use only 4-5 coal.

The bar on the bottom should start turning green. When it is full, stop adding coal and close the window to replace your empty barrel with a barrel of naphtha. To prevent confusion, note that the barrel of naphtha in your inventory looks almost identical to an empty barrel.

Making the bomb[edit | edit source]

Regicide[edit | edit source]

Items required: Spade, bow, arrows, 2 ropes (1 extra in case you fall), plank, tinderbox, a cooked rabbit (obtainable during this part), barrel bomb, agility potions or Summer pies (if boosting).

Recommended: food, some form of poison cure, axe (if you need to get a cooked rabbit), runes for telegrab to make obstacles and gap jumps easier (especially if you have less than 50 Thieving), runes for Ardougne teleport.

The barrel bomb destroys King Tyras' tent.

Note: The barrel bomb weighs a lot, which may make it more difficult to succeed during agility obstacles such as traps and gap-jumping. One strategy to avoid this is to drop the barrel, cross the barrier, and cast telekinetic grab on the barrel bomb (but telekinetic grab does not work across most of the jumps on the final floor).

Now that you have the barrel bomb, go all the way through the Underground Pass one last time. Keep your tinderbox as you will need it soon. Kill a rabbit and cook it on any fire. If you did not bring an axe, there are lit fires in the Elven Camp. Then, go to the catapult outside the Tyras Camp. Talk to the guard, and give him some rabbit meat to distract him. Then, use the bomb on the catapult - you will need your tinderbox for this. (If you forgot your tinderbox, you can buy one from the General Store in the camp) (Do not use it on the catapult winch or nothing interesting will happen). You will see a cutscene of your character loading the barrel onto the catapult and launching it at King Tyras' camp, where it explodes on his tent.

Go back to Lord Iorwerth. He will give you a letter to take to King Lathas and then give you access to the overground pass of Arandar. Take the Underground Pass or teleport away; then, go to Ardougne Castle. On the way, an elf named Arianwyn will break the magic seal on the letter and tell you to read it. You will learn that King Tyras wasn't the main antagonist in the quest, and that his brother, King Lathas, is the main antagonist and is serving the Dark Lord in hopes of reclaiming Camelot. Return the letter to King Lathas to complete the quest.

Rewards[edit | edit source]

Regicide reward scroll.png

Required for completing[edit | edit source]

Completion of Regicide is required for the following:

Trivia[edit | edit source]

  • The catapult featured in the quest is based on a trebuchet.
  • The tent in Tyras camp seems undamaged even when you enter the camp right after the cutscene.

References[edit | edit source]