Guiyue had long lost his sister to the bog's murk.
He wasn't worried - not really. Certainly she mattered to him, but he could already see the true danger in his sights, which meant that she was not currently being accosted by it.
Of course, when they'd agreed to separate, he'd thought he might have an advantage when it came to finding the corrupt kelpie; with his mastery over water, he knew which way it flowed. That was the reason he'd agreed, after all. Tennou had spent moons ...