D-rank also has its hierarchical divisions, with a vast difference between just entering D-rank and having a complete grasp of momentum usage. In effect, it is determined by the combat style that utilizes momentum: using momentum to assist oneself denotes entry-level, separating momentum for combat signifies intermediate level, and unifying with momentum represents the highest level. Lin Fei is currently at the beginner level.
If an F-rank could instantly kill an ordinary person, then a D-rank could instantly kill an F-rank. Such is the gap in strength.
