In order to raise a Pokémon's Happiness, you must train it, give it vitamins and in battle, never ever let it faint. Vitamins must be the ones that taste good and aren't bitter like ones that raise stats such as PP Up, Calcium, Iron, Zinc, etc.
Makes your pokemon's happiness go up faster.
To evolve Eevee into Espeon in Pokemon Emerald you need to raise it's happiness to max and level it up during daytime. To raise happiness you can keep the Eevee in your team for a while and fully healed up it should eventually reach max happiness to evolve in the daytime.
Level up an Eevee with full happiness at nighttime (after 6pm)
You can get more Master Balls in Pokemon Ruby/Sapphire/Emerald by getting an exact match to one of your pokemons ID number at the Lilycove Lottery. To up your chances of winning, trade Pokemon over different games to get more ID numbers.
When you have completed the Hoenn Pokedex in Pokemon Emerald you can pick up one of the Johto Starter Pokemon from Professor Birch. You only get to choose one of them and to get the others you must trade with other players or copies of Emerald that picked the other starters.
you have to level it up with a good level of happiness thunderstone works in a different game
Train it on pokemons...du'uh. go to the Pokemon league alot and kill the pokemons and lvl up...
You have to walk around with it A LOT!!! But if you catch it with a luxury ball it helps a lot.
pokemon do not evolve on pokemon colosseum
There are a few ways to increase Happiness.Leveling up your PokemonWalking with your Pokemon (256 steps makes 1 point of Happiness)Giving your Pokemon Vitamins (Calcium, Iron, Zinc, etc.)Giving your Pokemon EV-lowering berriesbut be careful, for doing these will decrease their Happiness:Letting them faintUsing any Herbal medicine (Energy Powder, Heal Powder, etc. Using a Revival Herb can decrease their Happiness by 15 points.)Trading (it will reset their happiness to their base happiness)
There are a few ways to increase Happiness.Leveling up your PokemonWalking with your Pokemon (256 steps makes 1 point of Happiness)Giving your Pokemon Vitamins (Calcium, Iron, Zinc, etc.)Giving your Pokemon EV-lowering berriesbut be careful, for doing these will decrease their Happiness:Letting them faintUsing any Herbal medicine (Energy Powder, Heal Powder, etc. Using a Revival Herb can decrease their Happiness by 15 points.)Trading (it will reset their happiness to their base happiness)
You level a Pokemon up.