"Seal it away?"
Lu Ren was startled. "A heavenly calamity can be sealed?"
"Of course it can!" Little Broken Tower said.
"Then what does it take to open the third floor?" Lu Ren asked.
"This tower needs materials from an Immortal Slaying Soldier to forge the key to the third floor!" Little Broken Tower said.
"Materials from an Immortal Slaying Soldier..." Lu Ren frowned.
He had been in the Nine Heavens for some time. Almost every expert who reached the Transcendence Realm possessed a Calamity Soldier, but he had never seen an Immortal Slaying Soldier.
Such a weapon was probably exceedingly rare even in the Nine Heavens.
"Find some materials, or even fragments of an Immortal Slaying Soldier, and this tower can forge them into a key!" Little Broken Tower said.
Lu Ren committed that to memory and pressed deeper. All manner of thunder calamities gathered around him, each one a fifth- or even sixth-level Calamity Heavenly Tribulation, but they were all ordinary thunder calamities.
In truth, a sixth-level Calamity Heavenly Tribulation would also give Lu Ren a chance to break through.
But after experiencing the Wind Fire Calamity, Lu Ren was unwilling to settle for just any breakthrough. If he wanted to grow stronger and deepen his foundations, he had to find a rare heavenly calamity.
Three days passed in the blink of an eye.
Lu Ren searched everywhere for a Calamity Heavenly Tribulation, but still found nothing.
"What's that?"
Lu Ren's eyes flashed as he looked into the distance. That entire area was shrouded in dense golden lightning, with golden divine thunder crashing down at every moment and radiating a terrifying aura of calamity.
"If this tower isn't mistaken, that should be a calamity domain formed by the Nirvana Thunder Calamity!" Little Broken Tower sounded faintly shocked.
"Nirvana