i dont know how far you are in the game but when your digimon experience points reaches max 9999999999El,than dna digivolve with another digimon champions,ultimate and megas only. example:greymon(dp0)+airdramon(dp0)=veemon(dp1).veemon digivolve to veedramon at lv12 and maxout at lv15 with(dps1) hint:it will downgrade to a rookie but will have all its parents attacks plus many of its own.its a alot more powerful than most rookies even some champions depending on its dps.