New levels

underwater level

 * main city, Atlantis, is underwater and covered in a clear dome
 * the creatures are all water related monsters
 * the boss is a large leviathan
 * the weak points are its eyes and the inside of its mouth
 * there will be a quest in the start where each player gets an item that allows them to fight and breathe underwater
 * the main dungeon is an underwater temple that leads to a large open cave that contains the boss and door to the next level

sky/cloud level

 * main city, Nimbus, is in the center of the level
 * floating landmasses with stone bridges connecting them
 * bird people mobs
 * incapable of lfight, they can glide from elevated areas
 * final dungeon is a floating palace that you have to climb vines to reach, some areas have the danger of falling off and plummeting to your death
 * the main boss is a griffen with its offspring being its guardians

mountain level

 * level 90
 * main city is a mining town surrounded by mountains with valleys leading away
 * there is a large volcano in the center that looks as if it going to errupt
 * the only way to reach it is through a series of caves, which are everywhere
 * there are golem, goblin, and various dangerous animal mobs
 * the boss room is in a chamber in the center of the volcano, through a long series of caverns and tunnels
 * the boss if a phoenix, which hatches from an large egg in a pool of lava
 * it has the ability burst into flames (causes area damage) at low health and be reborn slightly weaker and at full hp (one time only)
 * it attacks with its claws, beak, and occasional bursts of flame from its mouth

desert level

 * burrowed worm mobs, mummie mobs, golem mobs, and bandit mobs
 * main city is a walled off fortress city named Lagash
 * pyramid dungeons
 * final boss is a creature resembling anubis, armed with a partisan (polearm)

99th level

 * the level will be modeled after their city, presumably tokyo
 * the entire map will be empty of all people, confusing the players
 * the important buildings like the school, hospital, and city hall will be smaller dungoens
 * kayaba's office building will be the main dungeon with 25 stories
 * each level will contain a boss from a lower lever scaled to be a much higher level that is higher than a mob but less than the 99th boss
 * the 25th floor will be where kirito goes berserk and attacks everyone and becomes the 99th boss

twilight level

 * level is in a perpetual state of twilight (not black but not light)
 * shadow creatures in different forms to represent different mobs
 * humanoid, ape-like, dog-like
 * the twin bosses
 * their colors will be tweaked to better go with the level, one light and one dark

'mithril' level

 * open field level
 * level is covered with spires of light blue mithril
 * trees and grass are covered in a light coating of blue mithril dust
 * mobs are animal shaped creatures made entirely of mithril
 * main boss is a large mithril spider with the body of a spider and the upper torso of a humanoid creature

dead forest/jungle level

 * all vegetation in the level is dead
 * the main city has all the buildings built into the trees themselves, high above the gorund
 * treant mobs (living trees that attack), black panther mobs, and large bear sized woves with light grey fur and red eyes
 * boss looks like this

island level

 * floor is made of several different islands of varrying sizes and some with large hills, with transport between them being from small boats and canoes
 * each island represents a dungeon, with the main dungeon being a random one
 * the city is located on the main/largest island and is a large port city for some distant unnamed empire (a colony port) that is walled off from the jungle and tribals
 * there are tribal mobs, massive boars, large insects (mantises, rhinoceros beetles), and snake mobs that are approximately human sized (one black/purple with poison and the other yellow/brown with paralysis)
 * the boss is what the tribal npc's worship
 * looks like this
 * he appears once the players approach a cave on a specific island
 * abilities: it can reflect light off its wings to make it difficult for players to see; when he reaches low health he unleashes a hyper-beam type attack of pure light (3 times during the entire battle)
 * the area where asuna does her trial will be a remote island (the smallest one there is) and it will have next to nothing on it besides a small hut and enough plants and non dangerous wildlife to survive