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Summary
Latest image source: Ruranobe

Sword Art Online Progressive Volume 05, Yen Press release
Floating Castle Aincrad Floor Data: Sixth Floor

Just like it was during the beta, the design theme of the sixth floor is "puzzles." In the main town of Stachion, for example, all building doors aside from the main gate are locked by a wide variety of puzzles. Because using basic city functions requires solving puzzles, this floor was widely divisive during the beta test.

The floor itself is divided into five equal areas by impassible mountains that meet at a star-shaped lake in the middle. Stachion is located in the northeast area, while the floor boss and labyrinth tower await in the southeast, just adjacent to the start but blocked by tall mountains that make direct travel impossible.

Therefore, in order to reach the tower, you must proceed counterclockwise through all five areas. Underneath each mountain range is a dungeon full of puzzles with field bosses waiting between them.

Most of the northeast area around Stachion is thick forest similar to the kind found on the third floor. In the northwest area where Castle Galey is located, the ground is dry and barren. Consequently, one of the main features of the sixth floor is the sharp contrast among areas as you pass each set of mountains.

Map illustration: Tatsuya Kurusu