Lava is a very hot liquid. IT can burn anything. Lava comes from volcanoes.
Lava is made by stone. It can also bed made by tin. Basically it can be made by all metal.
Where Is the Lava Stored
The lava is stored in the center of the earth. That's how it keeps making lava. Because the metal keeps regenerating.
Lava Vs Ice
Sometimes lava is stronger than ice. Sometimes Ice is stronger than lava. But it depends on how much is there.
Hope you enjoy.