Alex wanted to have a rest. Even though after breaking through rank 3 he had had an increase in vitality and could persist longer, he didn't want to strain himself anymore as he wanted to deal with strengthening his other weaker areas. Now that he had gotten the basic knowledge, he would obviously try to build better skill foundations.
A good example being in the mage path that he hadn't even tried laying down a foundation in that he was a rank 3 initial in terms of mana by in terms of skills, even a mid stage rank 1 could easily crush him. This was what he wanted to avoid and this would be done in the following three days.
System techniques were easy to master hence he was sure that in three days, even though he wouldn't be an expert, he would at least not embarrass himself in front of
