on load:
set {timer} to 10
set {max_height} to 30
set {x_coord} to 0
set {z_coord} to 0
every 1 second:
remove all blocks of lava within {x_coord-5},{-1},{z_coord-5} to {x_coord+5},{-1},{z_coord+5}
if {timer} == 0:
loop {max_height} times:
set {_x} to...