Intricately interwoven, the incessant vibrations of a multitude of lines in the air created a dizzying, strange spectacle above the classroom during the curse class.
Many students couldn't withstand the immense mental pressure and consequently bowed their heads, using tranquility meditation to relieve their minds.
Professor Yao quickly noticed this.
Chewing on his pipe, he swung his arm forcefully, drawing open the curtains on both sides of the classroom.
The golden midday sunlight passed through transparent glass windows, landing amid the students' desks, dispelling the darkness in the classroom and scattering the pale blue light, which quickly dissipated in the air.
A courageous little elf came swooping down from the blackboard and perched atop the professor's head. With a flutter of its wings, it gathered the pile of smoke previously spewed by Professor Yao into a ball and stuffed it into a small gray pot.