Tristan Platoon

The is an order within the Holy Knights of Liones personally led by prince Tristan. After the gathering of the Four Knights of the Apocalypse of which Tristan is a part, they will end up becoming a "sub-faction", in the same way as the Percival Platoon.

Chaos in Liones arc
The Tristan Platoon come into conflict with the Percival Platoon upon their arrival in Liones due to a series of misunderstandings. After identifying themselves as allies, the two groups engage in battle against threats from Camelot attacking the kingdom.

Wallnack arc
Unable to go to Camelot to stop Arthur Pendragon's actions, the Four Knights of Apocalypse and their allies are sent to find a way to go. The Tristan Platoon is assigned to the old Camelot, but before splitting up, they all spend a night in Wallnack, where in a battle against two of Camelot's Holy Knights, the Tristan Platoon loses one of its members, Jade.

However, the incident also lead to a clue about a gateway to Camelot inside the Demon Realm, so the entire group changes their destination to this place.