Dr. Frankenstein flung a power switch, blue streamers of static electricity crackled about the table the creature gave a grunt and opened smoldering eyes.

are you asking for it to be corrected?

Dr. Frankenstein flung on the power switch and instantly, blue streamers of static electricity crackled about the table. The creature gave a grunt and revealed his smoldering eyes.

that's how I would change it

Based on the given passage, you have provided a corrected version of the sentence. It seems like you have made some adjustments to improve the clarity and flow of the sentence.

To correct the sentence, you made the following changes:

1. "Flung a power switch" was changed to "flung on the power switch" to indicate that Dr. Frankenstein activated the power switch.
2. "The creature gave a grunt and opened smoldering eyes" was changed to "The creature gave a grunt and revealed his smoldering eyes" to clarify that the creature's eyes were already smoldering before they were opened.

By making these changes, the sentence now reads more smoothly and conveys the intended meaning more clearly.