Netherworld Emperor Xin Yan looked at Netherworld Emperor Tu Xing. "Do you think the contents of the letter are true?"
Netherworld Emperor Tu Xing shook his head. "I can't be sure."
Netherworld Emperor Ling Chuan frowned. "Who could have delivered this letter? Though all our attention was on the Black Underworld Gate just now, an ordinary person couldn't have delivered a letter like this without a sound."
Netherworld Emperor Tu Xing looked toward the depths of the Black Underworld River Domain—or, more precisely, toward the Forbidden River Domain even farther in. "It's hard to guess who, but where they came from isn't."
Netherworld Emperor Ling Chuan's gaze turned grave. "What do you plan to do?"
Netherworld Emperor Tu Xing gave a cold snort. "What else? We're going to the Forbidden River Domain!"
"Absolutely not!" Netherworld Emperor Xin Yan hurriedly spoke up. "Have you forgotten what happened last time? We may be stronger now, but we must never enter the Forbidden River Domain again!"
"The contents of the letter concern the Heavenly Emperor!" Netherworld Emperor Tu Xing said gravely.
"They do concern the Heavenly Emperor, but we still need to verify whether they're true," Netherworld Emperor Xin Yan said.
"Xin Yan is right. We can't enter the Forbidden River Domain. If we really have to go, we need to make thorough preparations first!" Netherworld Emperor Ling Chuan said.
"Looks like, even though we kept what we did hidden, some old geezer still found out."
Netherworld Emperor Xin Yan looked toward the Forbidden River Domain, dangerous light flashing in his eyes. "The people there have always looked down on us Black Nether Beings from ordinary river domains. We're all great Black Nether Beings, yet they insist on ranking us by status!"
Netherworld Emperor Ling Chuan looked at the two of them. "If