the roles power and conflict in regionalism, ASEAN way and balance of power are the two main elements of ASEAN centrality which contribute to ASEAN’s success, as a salient regional organization, in strengthening its cohesiveness, and also in maintaining its role as a driving force of East Asian regionalism, which is likely preventing hegemony within the group. So far, the achievements made by ASEAN have been obtained through slow and gradual process of regionalization and through the concept of promoting habit of cooperation rather than interfering on members’ sovereignty which is harming the grouping.