Agrarian Skies 2:Molten Stone

CRAFT
Porcelain Clay

DETECT
Crucible

DETECT
Lava Place the fired crucible over a torch, right click it with cobblestone blocks until it is full, and wait until it is melted into lava. Use the clay bucket to move the lava to make a cobble generator. With some clever positioning you can use the lava part of your cobble gen to heat the crucible to create more lava.