You have to buy it for 80 bugfrags in the bf shop in SkyArea 1. So start saving those frags if you want the chip. Here's a Command option for the chip. Press & Hold (A) at all times when inputting button commands for this chip. Sonic Wave: (Input as QUICKLY AS POSSIBLE) [<-][->][<-][->][B] Will guarantee an S-rank when battling viruses without shields or barriers with 220Hp or less(or 440 w/FSync.