lava_source_conversion
booleanJava 26.2 onlyControls whether flowing lava can generate new lava source blocks — similar to how water sources are created. When true, two converging lava flows can form a new source, making lava renewable. Most useful in Dripstone Caves biomes.
Enable lava_source_conversion
Two adjacent lava flows can generate a new lava source block between them.
/gamerule lava_source_conversion trueDisable lava_source_conversion
Lava cannot create new source blocks — it drains rather than fills (default).
/gamerule lava_source_conversion falseDefault: false. Restore with /gamerule lava_source_conversion false
What lava_source_conversion does
Controls whether flowing lava can generate new lava source blocks — similar to how water sources are created. When true, two converging lava flows can form a new source, making lava renewable. Most useful in Dripstone Caves biomes.
lava_source_conversion is a Java Edition-only gamerule and is not available in Bedrock.