More event troubles...

[Aristolian]

I am having trouble making multiple events where only one event plays.
a rock falls on another character and the player moves and pushes her out of the way but there are six tiles that have to have the same events with eight rocks that fall.
i am only trying to get one to fall into position while the others do absolutely nothing making it so that no mater where you step the event will occur. w/o scripting..... i'm new.....