Chapter 20:Northern Star Array T he competition among students had always been fierce, but it is the only way they could advance in this military academy. Officially, among the 300 first year students, there are 110 who already reached E rank, with the majority of them at Entry or Mid-grade. Only twenty had reached Peak E rank, but above them, there is one who reached D rank. When Calculus unlocked his cultivation with a secret technique, everyone was surprised that he is also a D ranker. Like how George correctly assessed previously, anyone whom hides their true abilities beforehand and is now showing it, is for the purpose of self-serving motives. Right now Calculus only revealed himself so he could kill Kairos and everyone on Kairos' side. As his roar ends, a powerful Ki coated h

