The Tainted Purity War and Blockade Convention (TP War + Blockade Convention) is a firm set of rules of war, by which the flag Tainted Purity and its members strictly adhere to. It is one of several war conventions that have been written in the history of Puzzle Pirates, and is a set of voluntary rules that was developed by the members of Tainted Purity, and written by Rudebwoi, with the intention of making war fun and fair for all parties involved.