Eruption.

[Uholyn]

Trying out a eruption effect, lava was kind of rushed.

[Dune]

'Cool' effect. You can use the erosion plugin by Daniil Kamperov for lava channels.

[Mahnmut]

Great start! The smoke is already spot on,
erosion plugin could indeed help with glowing channels on darker ground.
Best Regards,
J