Sure I can! Here are some general tips that may help you beat the final boss in Touhou 11:

1. Study the boss's attack patterns: Understanding the boss's attack patterns is key to avoiding damage and finding opportunities to attack.
2. Keep playing the game and try different strategies until you find what works best for you.
3. Use power-ups and spell cards wisely: Power-ups and spell cards can give you a significant advantage, but use them wisely as they have limited use.
4. Focus on dodging: It is better to avoid taking damage than to try to heal it. Try to dodge the boss's attacks and maintain a safe distance when possible.

It may take a few tries to beat the final boss, but don't get discouraged. Keep trying and you will eventually succeed!

Good luck!, and I hope you have fun!
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