i mean i was really think if it is exis in pokemon hg and ss
just beat the elite four and catch 60 different types of pokemon. prof oak will giv u the national dex and a tripass
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
They are not in Pokemon HeartGold
No, but you can trade Pokemon only in HeartGold to Black