Add pets to the game!

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It would be really cool to have a buddy that follows you and helps you defeat monsters. Pets could be obtained as a rare drop when you kill an enemy, for example, you kill a snake and get a snake pet. You can only have one pet at a time, but you can store pets in a stable. Your pet would follow you, and attack monsters. Some pets can also heal you. Your pet would also give you buffs, such as more hp, more mana, more damage, more defense, etc. You would also be able to grow plants that you can feed to your pet, giving them more xp and leveling them up. Pets of a higher level would have more buffs, such as a Snake Lvl 1 would give you like +5 hp while a Snake Lvl 15 would give you +75 hp or something. Pets would be unique, and would not be tradable.