Six-pulse Excalibur is qualified to learn only if you have 150 points of internal force, and you can only learn one pulse. Only if you have 200 points of internal force can you learn it all. Learning it all is equivalent to having a machine gun in the cold weapon era, which is basically invincible. The problem is that you have 200 points of internal power, even if you only know arhat boxing, you are invincible.
The eighteen palms of dragon-descending have been passed down from Tianlong Qiao Feng, Hong Qigong Guo Jing, Eternal Shi Huolong and Xie Feng with a smile, but the truly outstanding ones are the "Three Norths" of North Beggar, North Xia and North Qiao Feng, which need specific people to play a specific role.
Six-pulse Excalibur, the only Duan Yu who learned all about it was able to master the plug-in of the northern ghost magic under the aura of the protagonist. After Duan Yu, it was directly lost, so it should be a chance for no one to learn.
From this point of view, it is better to lower the dragon.