on place of end stone:
    send "&aPostawiles stoniarke"
    if block at event-location is end stone:
        if block above event-location is air:
            set block above event-location to stone
 
on break of stone:
    set {_loc.%event-location%} to event-location
    wait 0.5 seconds
    if block under {_loc.%event-location%} is end stone:
        if block at {_loc.%event-location%} is air:
            set block at {_loc.%event-location%} to stone