Side-effects and Benefits
Cons
- Temporary graphical errors. Can be solved by viewing a normal Pokemon’s stat page
- If you have beaten the Pokemon League, your Hall of Fame will be permanently glitched if you save after encountering MissingNo
- Risk of freezing the game if not done properly
Pros
- Incredibly large duplication of the item in the 6th slot of your bag, meaning you can have unlimited Master Balls, Golden Nuggets, Max Repels, you name it!
- Doubles as a “Catch Any Pokemon” glitch
- You get to say you own a MissingNo. Your friends will be jealous.