There are currently 4 Armada at Wo Yao Fei Castle. They are a means to group the different active knights who work to run and protect the Castle:

Kajiura Armada
Leaders and Influencers

Yasashii Armada
For Logisitics, Wellness and Judges

Kuyoki Armada
Region Scouts and Fighters

Nyukai Armada
The Castle Defenders and Law Enforcement