Use a Slugma or its evolution Magcargo, by carrying them in your party with an egg you cut in half the number of steps needed to hatch an egg. This is due to their abilities, Magma Armor or Flame Body.
Arceus has never been distributed as an egg. If you are referring to the egg from the HeartGold/SoulSilver Arceus event, it hatches automatically.
It is impossible to get an Arceus egg by legitimate means. However it is coded in the game for an Arceus egg to take 30855 - 31109 steps to hatch
Get the fast egg hatch for action replay
Phione egg needs 10 240 steps, so just walk around or cycle around. If you want hatch it faster, you have to keep Pokemon with ability flame body in your party. Its twice faster.
I am pretty sure that you can't get an Arceus Egg and a Bad Egg is bad news. A Bad Egg can't hatch! You need to get an Action Replay, get a Cloning Code and replace that Bad Egg. Trust me. This is from personal experience.
To hatch your egg faster, you need to run and take a load of steps or Just use your bike
In HeartGold, give a Mantine the Wave Incense and breed it. The egg with hatch into a Mantyke.
i think 10000 steps it need to hatch
There is no way of hatching an Arceus Egg. In fact, there is no way of getting an Arceus Egg in-game. The only way that you might be able to is if you have an Action Replay DSi. There may be a few codes over the internet that give you an Arceus Egg. To hatch an egg in the game, you must add it to your party and continue battling. Battling trainers and wild Pokemon help.
Although Arceus cannot be obtained in an Egg legitimately, it is calculated to take 30,720 base steps to hatch it. Having a Pokemon in your party with the Flame Body ability will cut the steps in half.
have pikachu massage the egg
A faster way to get an egg to hatch is to ride your bike.