Talk:Obsidian Dragon/@comment-99.20.183.170-20130123221559/@comment-25129101-20130218154124

breeding fire and earth gives a 25% chance of obsidian and a 75% chance lava

the same rule applies with rain/fog, glacier/mountain, blizzard/snow, copper/magnetic, iceberg/ice, hail/storm, quicksilver/rust, forge/brass, smoke/blazing, evergreen/lichen