It has been widely spoken of, but what truly is the organization, Kaihō-sha?
It was a revolutionary at first, spearheaded by the resolute and headstrong Arthur, popularly known as "the Gallant". He was a visionary, an emissary of change as he sees the current rulership of the Heralds and most of all, the strict grip of Thunder Clouds in the freedom of the people, to be a system that needs correction, and ultimately, to put an end to.
The Gallant Arthur was loved by the people and his fellow members, he was at the pinnacle of what's said to be the bringer of change. But in battle, he was feared, and so his allies, due to their unimaginable prowess, that was said to match the Heralds.