They took off to the islands after a few days preparation and hired a boat to take them to the location of this supposed ship. After stopping off on the eastern side of the coast, travelling half a mile out to sea, Rarity flashed a visibility spell to help her see underwater, stripped her clothes off until she was completely nude and jumped into the water.
Sweetie Belle peered over the ledge of the boat and watched her sister swim about under the deep blue surface of the ocean, diving out of sight and swimming back up shortly afterwards, surfacing and confirming the shipwreck was below them. After flashing her sister with the visibility spell, she too jumped into the water and began taking some deep breaths. After a few shaky, deep breaths between them, they took a last breath and submerged together, swimming deep into the depths.
Rarity used her magic to illuminate the way down, the ship becoming more clear as they sunk deeper and deeper, pumping their arms and legs together and diving, Rarity signalled to her sister to confirm she was okay, the young filly signalling back. They took off down to the deck of the boat, old wood decaying in the water as the integrity of the wreck was falling apart at the seams.
The two scouted the deck for a way inside as Rarity noticed a metal hatch and tried to pry it open, planting her feet on the deck and forcing tit open to no avail. Sweetie noticed a hole in the deck big enough for her to fit through as she motioned to her sister for her to check out and see if they could open the hatch. She wriggled into the hole and found the hatch Rarity was trying to open inside, swimming to it and managing to open it as her sister kicked inside and gave her younger sister a hug in thanks before swimming off.
The two swam close together, unsure of the ship's structure as it seemed to fall apart and was in a poor state of disrepair. They noticed some holes in the walls as Rarity huddled her sister close in case of shark attacks, Sweetie pressing up to her sister's warm, fuzzy side. The older mare's breasts jiggling in the water as her nipples stood on end from the cold temperature and building pressure of the depths. They would have to work fast if they were to find the treasure and get out on the breath they had, even if they had to share breaths if it got rough.
Soon, Sweetie noticed a door that was slightly ajar as Rarity tried to force it open to no avail again. She motioned she was going in again to see if there was anything inside, motioning her to stay put as she wriggled into the crack of the door. She began looking around the room, her chest rumbling from the long time spent holding her breath, going well over a minute and a half as bubbles leaked from her nose.
Rarity floated outside the door, waiting for her sister. She was worried that something might happen to her inside but wasn't too worried as she was quite nimble despite her young age and short stature. Then, she felt the current begin to shift as she couldn't find her balance and fell back into the door, shutting it completely as it slammed closed. Rarity looked at the door and kicked away, still waiting for her sister.
Inside the room, Sweetie noticed something hidden under some books and an old blanket. It was a small chest, almost like a lockbox for holding jewellery. It wasn't much but it was a find, but she found it to be rather heavy and her lungs were beginning to protest as she let out a rip of air, "Hmmrk!'
Sweetie swam to the door and noticed it was shut. She thought it must've shut unexpectedly due to the state of the ship. She reached out and grabbed the handle, trying to open it but it didn't seem to want to open. She tried her hardest to get it open again but with no success, her lungs crying out for air as she bubbled again, "Mmgblbl!"
Rarity heard a banging on the door as she thought Sweetie Belle was in trouble and couldn't open the door. She grabbed the half broken wheel on the door and tried to turn it, noticing it was rusted in place, along with the door frame. She feared the worst as she grabbed the handle and tried yanking and pushing at it to no avail, her mind began screaming, "No, NO! My sister is behind this door, you cannot stay shut!!"
Sweetie pounded on the door again, cupping her mouth to try and stop her from letting out more airz using her free hand to slap at the door with some force, but nothing was getting through. She could hear her sister try and open the door, but no progress was being made as her chest convulsed, her legs tucking and kicking wildly, "NNGHBHLK!!"
Rarity had no choice but to use her magic, but even that couldn't get the door open as she tried using her telekinesis to open the door, or outright blasting it with some offensive magic, but the door stayed shut. She tried forcing the door open again, but her energy was being used as she cried out to her sister, "SWEEBLIE BELLEEBLGBL!!"
The young filly finally began to drown as she couldn't hold her air in any longer, her chest convulsing wildly as she cried out painfully, "AAAAGHBLGBKL!!"
Can the two get the door open and escape the wreck with their lives and the treasure?
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PWYW Commission by \r\n\t\t\t\t\t
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