1, upgrade effect: bt betting is a skill that can be upgraded. With the improvement of the player's level, the effect will be enhanced accordingly, and the skill of cutting six will be a fixed effect and will not be enhanced with the improvement of the player's level.

2. Scope of application: bt note is a general skill, which is suitable for all kinds of occupations and roles, while the six-chop general is more suitable for specific occupations or roles, such as the role of meat shield.