Sadism refers to deriving pleasure from the pain or suffering of others. Some individuals actively inflict harm, while others are satisfied by merely observing it. This harm may manifest in physical, emotional, psychological, or sexual forms. In everyday contexts, individuals with sadistic tendencies may attempt to control others, publicly humiliate them, or misuse power to cause harm. Sadism frequently co-occurs with other personality traits, including psychopathy, narcissis

Post-Traumatic Stress Disorder (PTSD) is a mental health condition that can develop after someone experiences or witnesses a very stressful, frightening, or life-threatening event. This can happen after accidents, abuse, natural disasters, or war. For those with PTSD, memories of the event do not fade. It feels like the brain keeps returning to that moment, as if the danger never ended. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.academia.edu%2F14545805%2FThe_weaker

Narcissistic Personality Disorder (NPD) is a mental health condition in which people have an exaggerated sense of self-importance. They constantly seek admiration and attention from others but lack the ability to understand or care about others’ feelings. This disorder affects about 1–2% of the population, with men being diagnosed more often than women. NPD usually emerges during adolescence or early adulthood.