Emblem Of Sagacity

He led me past several rows of display cases, finally stopping at one labeled [Sky Serpent Eluding Heaven's Wrath]. "So named," he said, "because it is rumored the technique's inventor used it to dodge even the lightning bolts produced by a Heavenly Tribulation. I have a few doubts about that, but dodging natural lightning will be more than possible with this technique."

Just below the placard with the technique's name was a small keyhole. Trembling with excitement, I took one of the Special Collection Library Keys from my Inventory and turned it in the keyhole. It vanished, and the display case vanished also. Losing myself for a moment, I briefly kissed the cover before replacing the key in my inventory with the tome.

The Librarian laughed. "You have two keys left. What next?"