Chaos Engineering is a rapidly evolving practice designed to enhance system reliability by intentionally injecting controlled failures to understand how complex systems respond to unexpected events. Rooted in Chaos Theory, it originated from the need to ensure the resilience of cloud-deployed systems, as demonstrated by Netflix's Chaos Monkey, and aims to limit outages by learning from system responses to simulated problems. The practice has matured from inducing random failures to conducting thoughtful, scientific experiments with defined parameters and minimal impact, allowing engineers to gather valuable data to fortify system robustness. Experts from various companies affirm its growing relevance and predict its integration into standard engineering practices to prevent downtime and ensure system stability, particularly as distributed systems and microservices architectures become more prevalent. Despite some misconceptions, Chaos Engineering is about structured hypothesis testing, emphasizing observability and telemetry data to enhance system understanding, and is anticipated to become a mainstream practice within the tech industry.