act upon (verb)

1. The director's unique style of storytelling really acts upon the audience, leaving a lasting impression.

2. The terrifying presence of the supernatural entity in the house acts upon the characters, driving them to madness.

3. The protagonist discovers a magical amulet that acts upon their abilities, granting them extraordinary powers.

4. The teachings of the wise guru act upon the hearts of the believers, guiding them on their spiritual journey.