C3386 Tribulation

Niu Thirteen also opened his eyes instantly. He looked at the Heavenly Tribulation Vortex in front of him. This was the Heavenly Tribulation of a Saint Emperor. He was preparing to break through to the Deity Realm.

The vortex of heavenly tribulation continued to hover there in the sky, and soon, a bolt of lightning descended.

When Niu Thirteen saw that it was just ordinary thunder