To obtain DolThunder A in MegaMan Battle Network 6, you need to defeat the enemy known as "DolThunder" found in the UnderNet area. After defeating it, you have a chance to receive the chip as a drop. Additionally, you can also find it in certain areas by searching for it in the folders of defeated enemies. Make sure to check your Battle Chips after battles to see if you’ve acquired it.
no you can only link megaman games together if it is the same number like megaman battle network 3 blue to megaman battle network 3 white
yes it is they got battle network 1-6
Kill them
What kind of secrets?
If your talking about Megaman battle network then sadly no there will always be 6 of them.
no
you have to get all standard chips
you buy it from a shop
In Megaman Battle Network 6, It doesn't have The Undernet 3, but it has Undernet Zero where you can fight Bass at there.
Seaside Area 1.
YOu go to Megaman's status, and click the a button, allowing u to activate the navicust.
There're no dark chip in MGM BTNW6