Beneath Cursed Tides

Beneath Cursed Tides is a quest released on 14 December 2015. It is based on a RuneLabs suggestion about the mysterious vanishing of Tutorial Island during the update that expanded the Wizards' Tower to include where Tutorial Island originally was.

This quest involves the player, Wizard Myrtle and Vannaka searching for survivors and diving to the sea south of the Wizards' Tower to investigate a sunken Tutorial Island. Vannaka used to be on Tutorial Island as the Combat Instructor. The quest will also feature all NPCs from the original tutorial island and their fate will be revealed during the quest. Diving apparatus will not be required to access the island, as the quest will include an alternative method.

Starting
Speak to Wizard Myrtle at the fountains in front of the Wizards' Tower. She wants to know what happened to her mentor, Terrova, the magic instructor on Tutorial Island. However, she is afraid of water and wants to send you to find the island.

Recruiting Vannaka
Go to Edgeville Dungeon and talk to Vannaka. He will explain why he left Tutorial Island before it was flooded and wishes to go back with the player and Myrtle.

Return to Myrtle, who is now standing beside Vannaka, and they will ask you to go to Mudskipper Point. This can easily be accessed through the fairy ring code, or by running south of the Port Sarim lodestone. There is a fairy ring to the south of the Wizards' Tower.

Diving into Tutorial Island
Talk to Myrtle about diving down to Tutorial Island. There are three options you can choose from: Myrtle's spell, your own diving apparatus from your Aquarium, or a fishbowl helmet and diving apparatus.

Read the message in a bottle near the door of the first room. Your task now is to go through Tutorial Island as if you were a starting player years ago to break the dark magician's curse. There are multiple rooms that involve multiple skills.

Survival skills
Talk to Brynna about the survival skills. Catch raw shrimp swimming around, then boil it at the steam vent to create boiled shrimp. However, you will notice that it is not hot enough, so you need to block the hole east of the vent to create more heat. Cut some strong seaweed then attempt to cut a dead tree down. You will snag one of the soggy branches from the tree, which will allow you to push the boulder into the hole. Now, burn the shrimp. Talk to Brynna, who will complain about the burnt shrimp, so you must collect a cooked shrimp

Culinary teachings
Talk to Master Chef, who will explain that cooking bread is no longer necessary, but making salads are. Obtain Levs music box to gather seaweed, then go south of the house. Play the music box in front of the jellyfish: pick option 2, then 3, then 1. Gather the tasty seaweed, then talk to the Master Chef.

Place it on the table and then pick the correct ingredients. For each column, pick either sweet, sour, bitter, spicy, bitter, or mellow, depending on the Chef's instructions. After this is done, proceed on the path to the next house and go down the ladder.

Creating a bronze butter knife
Talk to the Mining instructor, who will want you to create your own bronze dagger. Mine soggy copper ore and soggy tin ore, put it in the furnace, close the furnace doors, then operate the pump. After doing this, open the door and your bronzish bar will be smelted. Smith a bronze butter knife at any anvil.

Meeting with Vannaka
Vannaka will guide you through his room now. Enter the gate and click on one of the rocks to begin combat training. During the cutscene, click on all the water bubbles and the rat heads. After killing all the rats, return to Vannaka, then proceed upstairs.

Performing a Heist
Talk to the Financial Advisor. Read both the Memo and the Banker's diary on both tables, then proceed to the vault. The code is "139". Take all the stacks of 25gp then go back to the Financial Advisor.

Helping Brother Brace
Talk to Brother Brace. Read his friend list and talk to all of his fish. They can be found throughout the whole Island. One of them will eventually tell you that it is behind a certain piece of scenery, such as the anchor or a chest. Search it for the prayer book.

Encountering Wizard Terrova
Finally, talk to Wizard Terrova. Simply click on the chickens to cast a spell on them. Talk to Terrova again, but Hector Vivian, the magician who set up the curse in the first place, will interrupt. He will explain that Vannaka is the last piece of his curse, but before doing anything, Wizard Myrtle will dive down and channel a spell against hector Vivian. Aid her in channelling the spell, but repel all the Crassians that attempt to disrupt her. After defeating Hector, finish him off by trapping him in a bubble.

Finishing off
Return to the mainland and talk to Wizard Myrtle. All the tutors will now arrive on mainland.

Rewards

 * 1 quest point
 * A sword override similar to that of Vannaka's steel two-handed sword which can be held in one hand
 * A new monthly D&D that provides Fishing and Farming experience
 * A cooking lamp that grants 5,000 cooking experience
 * A fishing lamp that grants 5,000 fishing experience
 * A combat lamp that grants 10,000 combat experience, including Herblore, Slayer, and Summoning
 * 2 Treasure Hunter keys
 * Lev's old music box - it will crumble to dust when played, but you will unlock Newbie Melody (original)

Additional Rewards
Feed the Oyster a sea cucumber from fishing from the fishing spots and seaweed from the seaweed patch near the Jellyfish. Both activities grant a large quantity of Fishing and Farming experience. This D&D is a monthly D&D, and as such resets on the 1st of each month, at reset.

Trivia

 * When talking to Bryanna, she will say that new players used to wear "hideous green clothing" when talking to her. This is a reference to the old runescape tutorial island where new players always starts off with yellow shirt and green pants when doing the tutorial island.
 * One of Brother Brace's friends is named Maggie Karp, this could be a reference to the Pokemon of a similar name, Magikarp.
 * Two of Brother Brace's friends are called Nemo (a red fish) and Dory (a blue fish). This, and the shape of the fish, may be a reference to the Pixar film, Finding Nemo and its upcoming sequel, Finding Dory.
 * When talked to, the yellow fish friend of Brother Brace makes a Disney film reference by singing a line from Under the sea, a song from The Little Mermaid.
 * During the final fight, you must help fight a spell that appears similar to the final fight between Harry Potter and Voldemort.
 * When talking to Vannaka about wielding his sword in one hand, you say "Yes senpai" in reply, "senpai" meaning (or as close to) senior or upperclassman in Japanese.
 * When you examine the underwater furnace it will say "a hot furnace" even if it's full of water.
 * When you make the bronze dagger underwater, it is referred to as a Bronze butter knife instead of a dagger. This is a reference to Vannaka calling it a butter knife in the original Tutorial Island.
 * After defeating Hector Vivian, players are given an option to "Finish him!", a reference to the game Mortal Kombat.
 * When the adventurer traps Hector Vivian in the bubble, he says, "I would have gotten away too if it weren't for you meddling-"— a reference to Scooby doo, where the perpetrators always repeat that sentence after they have been caught and exposed.

Music unlocked

 * Newbie Melody (Boss)
 * Newbie Melody (original)
 * Newbie Melody (underwater)
 * Scape Cave (underwater)