You can't catch bastiodon in Pokemon soulsilver.
Bastiodon is #411 in the national pokedex, and it is a Rock-Steel type Pokemon.
you have to beat the highest rank to get it.
Bastiodon, the evolve form of Shieldon
Lucario! Hell ya!
Many like Bastiodon.
train it to level 40 to get bastiodon.
A lv.37 Magneton, a lv. 38 Steelix, and a Lv. 41 Bastiodon.
Shieldon evolves into Bastiodon at level 30.
Shieldon evolves to Bastiodon at lv30.
Sheldon evolves in lvl 30 in a Bastiodon.
bastiodon