In shows which feature martial arts heavily, there are a lot of different styles found in The Verse. This is Truth in Television somewhat as there have been many martial arts developed throughout history often based on local needs. For example Okinawan weapons were developed from household and farm implements. The inverse of I Know Madden Kombat; this trope covers instances where martial arts are used for mundane tasks, or a martial art is developed from humble beginnings. This trope is sometimes invoked by games that seek to be balanced for PVP or competitive dueling.