C1448 Stimulated Ice
Cracking the heart is actually very simple, and the process is not complicated, as long as you press down on the spellcaster's head and chant, the curse will be suppressed and sealed and suppressed. Don't think it's so simple, just look down on it. It was a mental cultivation method only known to the Heavenly River and the Ice River, and not even a single word of the incantation could be wrong