User:Fyr/YANI/Subterranean Ocean

The Subterranean Ocean is an idea to vastly expand of The_Sunless_Sea from SLASH'EM into a major dungeon branch.

The Subterranean Ocean is a watery branch of the main dungeon. It is accessible from a down-stair at dungeon level 2, 3, or 4 (not from the same level as the entrance to the Gnomish Mines) and goes downward from there, rejoining the Mazes of Menace at a much lower depth. Monster generation in the Sunless Sea is biased toward chaotic monsters. The Ocean consists of seven or eight levels, including two special levels (randomly selected from five possibilities). The bottom level of the Seas contains a stair down to a much lower level of the Mazes of Menace - specifically, to a second up stair located somewhere between level 20 and the last level above Medusa’s Island (which occurs between level 21 and 28). This means that passing through the Ocean takes just 7-8 levels to get anywhere from 16 to 25 levels below your starting point. This could be helpful on a dig for victory, but be warned that for the unprepared adventurer, the Ocean can be significantly more difficult to descend - and more dangerous to explore - than the regular dungeon. Digging down anywhere in the branch has a 10% chance of creating a moat square, even if not adjacent to existing water.

The first three levels of the branch are normal, randomly-generated Ocean levels. The fourth is randomly selected from the following five special levels described below, and is then followed by one or two more normal levels. Next (either the sixth or seventh level in the branch) comes a second (different) randomly selected special level, and finally one more normal level with the down stairs to return you to the main branch.

Normal levels

A "normal" level in the Subterranean Ocean consists of either randomly drawn irregular caves (similar to the Gnomish Mines) with large pools and rivers of water, or else an entire screen of water with several randomly drawn irregular islands. In the later case, the upstairs and the downstairs will always be on different islands, and you will need some way of crossing the water to reach the stairs to the next level. As in the Mines, for each level there is an independent 50% chance that it will be unlit. Each level contains two piranhas, two giant eels, two jellyfish, and one random ;.

Special levels

Paradise Island

On entering the level for the first time, you will get the message "You feel a warm tropical breeze, perfumed with the sweet scents of vanilla and passion flower."

Buried in random locations somewhere on the island are 1d4 random cursed figurines and a locked sea chest containing lots of gold, several valuable gems, two random rings, one (stack of) silver weapon(s), an amulet of magical breathing, one magic lamp and one oil lamp. Reading a blessed scroll of magic mapping on the level (or casting the spell at Skilled or higher) causes an “X” to appear burned into the ground on the square where the chest is buried. The island is home to two tigers, three monkeys, three crocodiles, three random S, and two giant spiders, while the sea has a plethora of sea monsters. The treasure chest or figurines might be buried under a tree.

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The Sunless Sea

On entering the level for the first time, you will get the message "You hear the roar of the sea. That can't be right...."

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The ( on the island in the middle of the sea indicates a cache of treasure, composed of a chest, two random wands, two random amulets, two random rings, and three random gems; there are also four random objects located on the beach. There are five giant crabs on the beach. The marked monsters in the sea proper are all sharks; the sea also contains six other sharks and seven other random ;. The X mark indicates a burnt message reading "The lamp washed into the sea while I slept! Woe and damnation!" and a random item. As the engraving suggests, there is a magic lamp located somewhere on the level.

If the lamp is underwater, it can be moved to another location (hopefully land) with a zap from a wand of teleportation, or snatched with a bullwhip while levitating. Flying does not work for the bullwhip: vampires need a levitation item. Swimming or magical breathing will also work. A carefully applied or zapped wand of cold can provide ice to dig the lamp out as well.

The Caves of Ice

On entering the level for the first time, you will get the message "You have a fleeting vision of Mount Abora."

The walls and the solid rock between the caves are all undiggable. The floor of the caves is ice. The upper middle cave (with the fountain) contains two randomly placed fire traps. The coaligned priestess in the lower middle cave has, in addition to her usual starting equipment, a magic harp. (Note: Although there is an aligned priest here, the room is not a temple and there is no altar - therefore, #chatting to her will make her attack you.)

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