“With no end to hate and no boundaries to war, how much concern do you shoulder? With determined eyes and the arrow drawn, the Reignbow Arbiter needs not turn back hither.”
— Worlds History as a Mirror, Xianzhou

The Cruising Aeon known as the Reignbow Arbiter roams endlessly between worlds to eradicate the undead scourges that once ravaged THEIR homeworld.
Lan's Hunt, ever heedless of cost, often blurs the lines between salvation and ruin.