&Ben.Boeckel; &Ben.Boeckel.mail; 2009-08-08 Critical domain Critical domains use levels to determine the chance of a critical hit, which deals double damage. Each successive level uses a larger range to test a random number against to determine whether the hit was critical or not. Moves and items are usually used to increase a domain. Effort value Effort values, also called EVs, are points put towards a stat to make it stronger. Typically, only so many effort values can be used on a single creature as well as each stat. Without EVs, each stat is given stat experience instead. Sigen Sigen is a term made from the initial letters of SIgma Game ENgine . &sigmod; A &sigmod; is a game file for use in &sigen;. Stat experience Stat experience is similar to level experience, but it is instead used for each stat. Stat experience is gained by defeating other creatures in battle. Validation Validation is used to verify that all internal references exist, values are within the bounds imposed by the rules or the engine, and that important text values are not empty.