Generally speaking, after a breakthrough, heavenly tribulation does not reward immediately; there is a process. The cultivator can gradually adapt to the realm of the Foundation Establishment and have some time to prepare to face the heavenly tribulation.
However, Yu Yanshu's heavenly tribulation was different. Right after her successful breakthrough, booming thunder resounded in the sky immediately, and then a mass of tribulation clouds began to condense above the valley. Su Chengyu looked up and saw that this mass of tribulation clouds was at least three times larger than the one he had faced during his own tribulation.
The tribulation clouds tumbled, and lightning streaked through them, beginning to brew the first thunder tribulation.
In the Upper Pure Palace, Master Cangqing, who was hesitating over which card to play, heard the thunder and immediately put down his mahjong tiles, saying, "Heavenly tribulation?"