Actually, he didn't believe Ming Fan and the Demon Ancestor would act alone for a long time. After all, their power was merely at the normal Eighth Layer Heaven, not like the Eighth Layer Heaven Peak of Fan Gu Divine Monarch.
In the Abyss of Eternity, even in shallow areas like the Molten Lava Cave, a being of Eighth Layer Heaven Peak that acts alone for a long time might still encounter danger. Only those at the Eighth Layer Heaven Limit have the confidence to not join any faction and act alone.
Ming Fan and the Demon Ancestor, the two ordinary Eighth Layer Heaven beings, can travel together for a short time, but to wander for tens to hundreds of tribulations is a risk they cannot afford. Just one encounter with a Ninth Layer Heaven Abyss Beast could easily result in their demise.
...
Boundless Star River.
