As Qi Tian adjusted more and more characters on the ring, one by one they fell onto the bundle of thread. The bundle became smaller as each new thread flew off and reassembled, gradually forming a portal in the air.
By the time the last character landed on the thread, even the tiny fraction of remaining thread dispersed, landing on the portal. Even without moonlight shining on it, the portal emitted a shiny silvery light tinged with blue.