1. First of all, you need to find the dragon's nest in this modular world, and you can get the frost dragon's eggs by digging with tools.
2. Secondly, build a nest around the dragon egg with ice cubes, diamond blocks and other ice cubes to ensure that it is large enough and has a suitable environmental temperature.
3. Then, use the flame powder in front of the dragon egg or other fire sources to inject the flame into the frost dragon egg.
Finally, after a period of time, the frost dragon eggs will gradually hatch.