Obsidian Fortress
=================

+-- Level +1 ---------------------------------------------------------+
|                                                                     |
|                        %     *                                      |
|                        v#   / \                                     |
|                          \ /   \                                    |
|                           *     *                                   |
|                          /       \                                  |
|                         /         \                                 |
|                        *     M     *                                |
|                         \    v\   /                                 |
|                          \     # /                                  |
|                           *     *                                   |
|                            \   /                                    |
|                             \ /                                     |
|                              *                                      |
|                                                                     |
+---------------------------------------------------------------------+

+-- Ground level -----------------------------------------------------+
|                                                                     |
|                              *                                   M  |
|                             / \                                 <   |
|                            /   \                                    |
|                           *     *                                   |
|                            \   /                                    |
|                             \ /                                     |
|                              *                                      |
|                              #                                      |
|                              |                                      |
|                              *                                      |
|                             / \                                     |
|                            /   \                                    |
|                           *     *                                   |
|                          /       \                                  |
|                         /         \                                 |
|                        *           *                                |
|                       /             \                               |
|                      /               \                              |
|                     *                 *                             |
|                    / @                 \                            |
|                   /   \^                \                           |
|                  *     %                 *                          |
|                 /                         \                         |
|                /                           \                        |
|      *        *           %                 *        *              |
|     / \      /            v\                 \      / \             |
|    /   \    /               \^                \    /   \            |
|   *     *#-*                 %                 *#-*     *           |
|    \   /    \                                 /    \   /            |
|     \ /      \                               /      \ /             |
|      *        *                             *        *              |
|                \                           /                        |
|                 \                         /                         |
|                  *                       *                          |
|                   \                     /                           |
|                    \                   /                            |
|                     *                 *                             |
|                      \               / #                            |
|                       \             /   \                           |
|                        *           *     *                          |
|                         \         /       \                         |
|                          \       /         \                        |
|                           *     *           *                       |
|                            \   /             \                      |
|                             \ /               \                     |
|                              *                 *                    |
|                              #                  >                   |
|                              |                                      |
|                              *                                      |
|                             / \                                     |
|                            /   \                                    |
|                           *     *                                   |
|                            \   /                                    |
|                             \ /                                     |
|                              *                                      |
|                                                                     |
+---------------------------------------------------------------------+

+-- Level -1 ---------------------------------------------------------+
|                                                                     |
|                              %                                      |
|                             /v                                      |
|                           ^/                                        |
|                           %                                         |
|                                                                     |
+---------------------------------------------------------------------+

+-- Level -2 ---------------------------------------------------------+
|                              ^                                      |
|                              %                                      |
|                               \                                     |
|                                \                                    |
|                                 %                                   |
|                                 v                                   |
|                                                                     |
+---------------------------------------------------------------------+

+-- Level -3 ---------------------------------------------------------+
|                                 ^                                   |
|                                 %                                   |
|                                /                                    |
|                               /                                     |
|                              %                                      |
|                              v                                      |
|                                                                     |
+---------------------------------------------------------------------+