Correct Answer: Invulnerable

Solution : The third option is the correct answer.

Invulnerable describes something or someone that cannot be harmed or wounded, fitting the given group of words. The word, i nvulnerable specifically implies immunity to harm, aligning with the description provided in the group of words.

The meanings of the other options are as follows:

• Mortal refers to a being that is subject to death, not fitting the description of being immune to harm.
• Mystic pertains to mysteries, spirituality, or supernatural aspects.
• A bigot is a person who is intolerant or prejudiced.