Collect and combine the nexo powers to defeat monstroxthere are five nexo powers in the sealed mystery bagbut which ones will you choose and combine to defeat the evil monstrox in the free lego nexo knights merlok 20 app attach three nexo powers at a time to the combo nexo shield then scan for unique results to create your own way of destroying the stone monster army with 35 nexo powers to collect there are endless ways to be the herofeatures five mystery nexo powers each in a dif