Explanation:

- The sentence focuses on the idea of potentially harming or negatively affecting a party.

- "Ruin" means to spoil or cause serious damage to something, making it useless or less enjoyable.

- Option 1: despoil - means to strip or deprive something of its value. It is similar to ruin but usually implies taking away something valuable or sacred.

- Option 2: fix - means to repair or mend something. This doesn't fit as it's the opposite of ruining.

- Option 3: revamp - means to renovate or give something a new appearance. This is unrelated to the notion of causing harm.

- Option 4: recover - means to regain possession or control of something lost. It doesn't relate to the idea of causing damage.