When the curse that manifests itself with hallucinations follows him to England he consults some experts who inform him that the only way to remove the curse is to return to Africa and personally kill the man who put it on him.
He consults some experts. The only way to remove the curse is to return to Africa. These experts inform him this. These experts personally kill the man. This man put it on him. The curse follows him to England. This curse manifests itself with hallucinations.