If you have a specific context or question in mind related to these terms, please provide more details for a more targeted response.
For those unfamiliar, Princess Reconquista V03 is a modification for a specific game (though the game itself is not explicitly mentioned in online discussions). The mod seems to be a popular alteration that adds new content, levels, or gameplay mechanics to the base game. The "V03" in its name suggests that it is version 3 of the mod, implying that it has undergone several revisions and updates.
Focus on dodging and parrying. Parrying deals massive shield damage. Once an enemy's shield is broken, use your highest-damage combos.