If you were going to help someone, you might as well see it through.
Before going to find the Sword Saint, Chen Feng used Spatial Teleportation to take Heimu and the others through the Sage's Tower's forest, waterways, and nest universe, delivering them to the top.
It was a gigantic cylindrical library stretching upward, with books packed against books and shelves against shelves. Even with his perception now exceeding a hundred million, Chen Feng couldn't estimate how many books it contained. If he had to describe it, perhaps every book from the Big Bang to the present was here.
Uncle Blackwood sighed in wonder. "Just like the legends said. All the knowledge in the world is here."
The elf Hero Elibelle secretly rejoiced. "Beastman face, if you can't find a book that'll get you home, I suppose I could reluctantly take you in."
Just then, an aged voice came from overhead.
"Welcome, honored guests. This is the Sage's Tower. Here, you may obtain one piece of knowledge or one book of your choosing, provided you correctly answer three riddles."
Xia Mei jumped excitedly at those words. "Riddles! This feels like the Sphinx!"
Chen Feng, however, wore a strange expression. That voice sounded so familiar, as though he'd heard it somewhere before.
Sika looked up at the old man with a cane slowly descending from above and couldn't help saying, "Grandpa?"
But Sika's Grandfather didn't even acknowledge him. "Calling me Grandpa just to obtain knowledge? I despise you."
Chen Feng was speechless. "Still doesn't recognize his grandson. Still..."
"Enough with all this 'still' nonsense!" Sika's Grandfather demanded loudly. "Tell me! What does Great Beast use to lock onto its enemies?"
Sika answered, "The desert's poplar trees."
"Second riddle. How can you safely pass through the underground maze?"
"Sandworms live underground and