There are numerous synonyms that can be used to describe someone who is "bent on self-destruction". Some of these synonyms include: self-destructive, self-sabotaging, self-defeating, self-harming, suicidal, nihilistic, fatalistic, and hopeless. Each of these words paints a picture of someone who is struggling with inner turmoil and is actively seeking to harm themselves in one way or another. While some may view this behavior as selfish or weak, it is important to remember that those who are struggling with these feelings often need help and support to overcome their challenges. Therefore, it is crucial to approach those who are struggling with empathy and understanding.