The term 'magical power' can be represented by two crossword solutions: MOJO (4 letters) and SPELL (5 letters). MOJO is a term derived from African-American folklore, referring to a magical charm or power that can be used for good or bad. It is often used in reference to a person's charisma or personal magnetism. SPELL is a word that refers to a magical incantation or charm used to produce a desired effect. It is often used in reference to the practice of witchcraft or sorcery.