exact location is in undernet 5 after Bass is defeated,talk to the dark navis then 10 battles will ensue,on finishing you will be awarded the chips,to get the last darkchip elem dark you need to S rank a lamp thing...forget what its called...sorry dude,look it up on google!
[b][center]
[color=darkred]drop me a line on my Gaia account: X x XCaracarnX x X