That is impossible in Pokemon HeartGold and SoulSilver.
Aura Beam is in Pokemon HeartGold.
No, you cannot sell eggs in Pokemon HeartGold.
You need to mate the Pokemon with a Ditto.
Shadow Lugia is not in HeartGold.
There is no TM transform in Pokemon HeartGold
Cynthia is not the champion in the johto region in Pokemon heartgold,you can't find her in it, but she is the champion in Pokemon pearl,diamond, and platinum versin and that is the sinnoh region.
You must have the event Arceus and go to the Ruins of Alph.There you will find Cynthia and she will give you Palkia,Dialga,or Giratina with their orbs at level 1.
There is no best Pokemon on Pokemon HeartGold.
The Pokemon Champion is Cynthia
there is no Pokemon Mansion in Heartgold.
No but you can find cynthia in the arceus event and you can find crasher wake in celadon city in kanto and maylene also aswell
By playing battles found in the water and tall dark green grass.Every time you battel you get stronger with the Pokemon you use.To evolve battel more then 305 battels for that Pokemon or most battels with thayt one Pokemon to evolve it.
They are not in Pokemon HeartGold
where is the pokemon transfer lab in heartgold
No, but you can trade Pokemon only in HeartGold to Black
Aura Beam is in Pokemon HeartGold.
No, there are no underwater routes in Pokemon HeartGold or SoulSilver. The HM Dive is not available in Pokemon HeartGold or SoulSilver.