12th Perigee's Eve

12th Perigee's Eve (or Twelfth Perigee's Eve), varyingly referred to as the 12th / Twelfth, as Perigee's Eve or simply just the Eve, is a holiday celebrated throughout the Alternian Empire on the night before the twelfth perigee of every sweep.

Customs
It is common for trolls to partake in bonding activities with their lusii on the night of the 12th. These activities often involve the decoration of a Behemoth leaving brought into the hive by the lusus.

It is also common for trolls to take part in Secret Suffering during this night or on the surrounding nights.