Its enormous bell was removed during an investigation in S.1185, which can now be seen at the center of Crossbell City.
After authorities destroyed the D∴G Cult in S.1198, the survivors found new shelter in the Sun Fort. They found the laboratory once established by the Crossbellan alchemists and put its high-tech facilities to use. This is where Joachim Guenter completes his work on Gnosis.
The Sun Fort features a hallway that reaches 500 arge deep into the earth. For the Cult this spacious shaft represented a path toward Gehenna.