While personal preference plays a role, here's a recommended skill progression path for Kiryu:

- Early Game (Chapters 1-3): Focus on basic combat enhancements. Unlock 'Combo Speed Up', 'Heat Gauge Boost', and 'Guard Break' skills. Invest in 'Health Up' and 'Attack Up' as much as possible. Prioritize Strength and Spirit experience.
- Mid Game (Chapters 4-7): Start diversifying. Unlock more Heat Actions, especially those that are easy to trigger or deal high damage. Invest in 'Dodge Distance Up' and 'Extreme Heat Duration Up'. Begin putting points into Technique for more varied combos and Agility for better evasion.
- Late Game (Chapters 8-End): Max out all core stats. Unlock all remaining Heat Actions and powerful finishing moves. Focus on passive buffs like 'Damage Reduction' and 'Heat Gain from Damage'. Don't forget Charm for substory triggers and mini-game benefits.
Remember to regularly check the 'Skills' menu and spend your accumulated experience. Eating at restaurants is a fantastic way to gain specific experience types, so plan your meals strategically.