Board Thread:Questions and Answers/@comment-113.210.56.76-20181231062348/@comment-33705615-20181231134913

2G stands for 2nd generation and 3G for 3rd generation. Here are examples of a 2G dragon and a 3G dragon. Similarly, 4G means 4th generation and so on. The numbers on the lineage page of any dragon or creature (see the examples above) actually refer to generations.