Blocking the entrance?

[Kuranji]

i want 2 make it so that when i come out of a tunnel a boulder falls off the rock and blocks the entrance so i cant get back in from that way. How do i do it i no how 2 make the boulder move but it doesnt move when i get out of the tunnel what do i need to do?

[Dwarra?]

English please, oh and learn how to use punctuation.
Other wise you will sound like this and it is not vry gud wen u r typing and never finishing ur sentence so people dont know what the fuck ur saying lol me 2 i do that also oh how is ur dog can you understand me because thats a very nice dog you have.