Su Lun fiddled with his silk threads and puppets until late at night, producing quite a few finished products.
As dawn approached, feeling somewhat tired, he sat cross-legged on the carpet and began to meditate.
He needed adequate rest to recuperate his energy.
Meditation Technique required enduring solitude, often demanding great perseverance. But with habituation, the efficiency of cultivation would increase, and the need for sleep dwindled. High-efficiency meditation had the effect of deep sleep, not only providing better recovery for the body but also augmenting the "energy" within it.
Su Lun had now advanced to the third tier, and his body's capacity to endure dark spiritual power had widened again. [Isaac's Alchemical Heart] provided him with an endless supply of dark spiritual power, making his extraordinary cultivation progress steadily and swiftly.
...
Blizzard City was known for its howling snow winds year-round, and the nights were extremely cold.