Presenting an online self-paced e-learning course by an AI character can offer numerous benefits in terms of clarity, understandability, and engagement. Here are some key advantages:

1. Consistency and Accuracy: AI characters can provide consistent and accurate information. They can reduce the potential for human error and bias in teaching, thus improving clarity and understandability.
2. Interactive and Engaging: AI characters can make the learning process more interactive and engaging. They can use gamification techniques, visual aids, and interactive quizzes to make the learning process more enjoyable, thereby increasing student engagement.