if u want to open the door to fight serenade u need to callect all 200 standerd chips. mega chips and giga chips dus not matter only standerd chips like sword and minibomber and other chips. mega chips r like flashman chips and other navi chips. giga chips are REALY RARE!! if u know the chip folderbak thats is a giga chip. and standerd chips can allso be realy stonge and any tyipes water fire grass lightnning.
