Now, it's crucial that you train your Gastly and obtain other Pokémon as well. I don't know if you're the battling type, but whether you are or not, you need to train your Pokémon as much as you can in order to protect yourself against wild Pokémon and other trainers. Weapons are just about nonexistent here, and if you had any supernatural powers back in your world, you'll find that they've been rendered completely useless.
[Video] NO YOU'RE NOT!!
Now, it's crucial that you train your Gastly and obtain other Pokémon as well. I don't know if you're the battling type, but whether you are or not, you need to train your Pokémon as much as you can in order to protect yourself against wild Pokémon and other trainers. Weapons are just about nonexistent here, and if you had any supernatural powers back in your world, you'll find that they've been rendered completely useless.