Simplify the following text for a Grade 2 native English-speaking person.
Original: The most important heroes are VÃ inÃ mÃ inen , Ilmarinen , LemminkÃ inen and Kullervo . The enemies of heroes are Louhi and Joukahainen .
Simplified: Louhi at one point saves VÃ inÃ mÃ inen 's life .