Before the five old dragons could even breathe a sigh of relief, the fourth tribulation bolt came crashing down. This fourth bolt was not water lightning, but a pure golden bolt of electricity as thick as a water barrel—Extinction Divine Thunder!
Despair appeared on the five old dragons' faces. Even if they combined the strength of all five dragons, they could not withstand this Extinction Divine Thunder. If it had been only half as thick as it was now, they might have been able to take it with their power, but as things stood, there was no possibility at all.
And even if they could withstand it, the fifth, sixth, seventh, and even ninth bolts would each be stronger than the last. In the end, they would still be unable to endure them.
The old Dragon King cried, "Protect the seeds of the Dragon Palace!" With that, he revealed his true form and charged toward the Extinction Divine Thunder! The other four old dragons were horrified, then immediately understood. To preserve the Dragon Palace, the old Dragon King had cast life and death aside and meant to resist it with his tens of thousands of years of cultivation. The four old dragons at once cast their spells as well, shielding the entire Dragon Palace.
With a boom, the old Dragon King's body twisted in midair and instantly vanished into nothingness. The golden lightning still had power to spare as it struck down. With another deafening crash, half the Dragon Palace collapsed, while the four old dragons spat blood and flew dozens of li away.
Only after a long while did the four old dragons struggle back to their feet and make their way to the ruins of the Dragon Palace. Countless demons were howling miserably. Though demons were cold-blooded and