Explore the dark side of C# programming in this entertaining conference talk that delves into creative misuse of language features. Discover how to craft seductively evil code that pushes C# to its limits, from manipulating Unicode and strings to abusing lambda expressions and format strings. Learn about performance tricks, readonly field manipulation, and implicit conversions that should never see production. Gain insights into the evolving landscape of C# through humorous examples of code that's both clever and horrifying, challenging your understanding of language boundaries and best practices.