How do you defend on paper Mario?

In Paper Mario, defending is primarily done by timing your button presses during an enemy's attack. When an enemy strikes, you can press the A button just before the attack lands to reduce damage or completely nullify it with perfect timing. Additionally, certain badges can enhance your defensive capabilities, such as those that allow you to deflect damage or increase your defense points. Mastering these mechanics is key to surviving tougher battles in the game.