Moreover, the region reveals an equally astonishing complexity due to differences in stages of economic development, regulatory practices and business models. The result is to limit the field of play—both for domestic institutions and especially for international competitors who are likely to remain all but locked out of some opportunities. Yet because the growth ahead promises to be unparalleled, even small opportunities are likely to generate fierce battles. As Asia beckons, global and local banks, alike, will need to decide whether, where and how to make moves that will have enormous long-term impact.