Indeed, Abbot Kongchan is correct. With a weight of more than twenty thousand jin, not to mention for ordinary people, but even for a martial arts master, it's equivalent to the weight of a small mountain. Being hit by this Demon-Subduing Pestle is like being hit by a mountain.
But strength is precisely Zhang Xiaohua's advantage. Daily bone quenching with the Beidou Divine Fist enhances the strength of his arms. Twenty thousand jin of force may sound alarming, but for Zhang Xiaohua, it's not an unattainable goal.