The normal way is the default way to play (PVE) with your gear that you get over time which will eventually be with items that make it very easy for you to play and save you time to finish your missions since you use weapons with high hit rates and percentages, in addition to very good armor and shields that today in our server many are customized, that is to say in conclusion, the normal mode is the easy way to play, when you get to have a good gear. On the other hand we have the challenge mode, which, as the word says, is a challenge, that is, it requires certain skills and teamwork to move