Talk to an old man in a house in Eterna city
In the Pokemon diamond underground.
no
the underground
ether is not found in the underground. sorry.
you can get them from digging in the underground
in the underground
You can get it in the underground after the national dex which you get after the Pokemon league
lost towerfloor2 and underground rare in underground
You have to go to the underground.
underground
You can find then in the underground.
You can find everstones underground