Spectra Swallow is Serge's best weapon in Chrono Cross. It has a silver shaft with two glowing blades that shift with the colors of the rainbow attached at each end. In order to acquire it, a player must have at least one summon of each color. (This is most easily done after defeating the six dragons to get the six most powerful summons in the game.) The player must also have at least one Rainbow Shell in order to forge this item. Once this item is received, the following process be completed in order to forge it: