There are two kinds of secret techniques. One is the secret technique which is closely related to one's own practice. The advantage of this secret technique is that it fits with one's own spiritual power very well, is easy to use and can easily reach the highest level of the secret technique. The difference between strength and weakness depends on the level of gongfu.

The other secret skill is simple secret skill, which does not depend on merit, some single attribute, which is the most common, but there is also a double attribute or even multi-attribute, and such secret skill is more powerful, but not everyone can practice, which requires...