1. Observe the attack mode: observe the librarian's attack mode and action, and understand his attack mode and gap, so that you can avoid and fight back at the right time.
2. Obstacle avoidance: Reduce injuries by avoiding blockages. The librarian's attack is very fierce. You can always be vigilant and take appropriate defensive measures, which will help your viability.
3. Look for opportunities to fight back: After the librarian attacks, he will have a short gap, which is your opportunity to fight back. Take advantage of these gaps and hit him with your weapon combination.
4. Use powerful skills: There are many skills and special attacks in the game, which can help you do more damage in the battle. Make sure you are familiar with your skill tree and use appropriate skills to enhance your attack and defense when necessary.
5. Adapt to different attack stages: the enemy will have different attack stages, and his attack mode will change with the progress of the battle. Adapting to these changes and adjusting one's tactics is the key to successfully defeating him.