The 8th Badge in Pokemon Diamond is called The Beacon Badge.
After obtaining the eighth badge in Pokemon Ruby, players should continue to combat the Elite Four. After beating the Elite Four, the main storyline of the game is complete.
a good Pokemon team is your starter Pokemon,the legendary of the game and the evee evolutions
First of all, badges get you into the Pokemon league. The coal badge in paticular, lets you use HM rock smash outside of battle.
Strength, which let's you move boulders around
the gym is in wait next time type in which version becase diamond pearl and platinum are different d/p veilstone city platinum hearthome.
beat the #?*@! gym leader
beat the league
Wher there used to be a power failure
By beating the gym leader
I'm pretty sure that's when you have to go to the mountains and battle dialga. Then get the eighth badge.
The 8th gym is in Sunyshore, but you will be unable to go there until after you beat Cyrus on Mt. Coronet.
earn it.
the ground gym
Beat the gym leader
== == You get the 8th gym badge in Sunyshore City. Hope this helps
== == == ==
you must beat the eighth gym leader and he will give you the badge.