LCI or kasulatan sa tanso is an ancient document written in ancient scripts and language is actually considered as a form of oracle because of its antiquity. The events that destroyed the ancient civilization in luzon island is a hidden part of this ancient document.the discovery of LCI might mean that another catastrophy will happen in the island of Luzon!This will not only reveal the ancient civilization in the island of luzon but will tell what will happen again in the Philippine archipelago after more than 1,200 years !