If you want to express your blessings to Africa, the following are some examples:

Wishing the African continent peace, prosperity, development, and people happiness and health.

I hope that African countries can cooperate friendly and work together to promote development and progress in Africa.

Wishing the natural environment in Africa to be protected, and wild animals and plants to thrive on this land.

May the cultural heritage of Africa be inherited and promoted, and contribute to the diversity of world cultures.

I hope that children in Africa can receive good education and lay a solid foundation for their future development.

The above are just some examples. You can express your blessings to Africa based on your own thoughts and emotions.

بركات من أفريقيا