you need action replay.
no
hgvbhgvhvh
train or cheat
CHEAT
yes at supercheats.com/pokemon heartgold action replay codes
do what is the walkthrough walls action replay code for Pokemon heartgold.
You cannot cheat in the Pokemon HeartGold or SoulSilver lottery.
There isn't one.
coolrom
No, you have to get arceus either from an event or from a gameshark cheat :(
yes
Trade it of a gba game or of a cheat