Magma Bomb

Magma Rocks is a falling Trap in and

Ocarina of Time
This is a trap that can constantly fall from the sky during an active volcano. When the ground starts to rumble, the sky begins to rain down magma rocks all around until some begin to fall directly onto Link. In Ocarina of Time, Link in his young version, can equip the Hylian Shield into his back and block the incoming falling Magma rocks until the shower subsides.

Twilight Princess
In Twilight Princess, Link would have to look out for the shadow underneath him as well as listen out for the whistle of the falling rock and would have to move out of the way. He would also would have to move fast for the Magma Rocks can tend to explode when making contact with the ground. Once Link has completed the Goron Mines dungeon, the Magma Rocks will stop falling permanently.