Yes, that way you still have the element of surprise. They would expect you to grapple up. And plus only one person has a grapple and it would take too long to get the other on the wall. Unless they close the door when they walk out, you should be able to get in without the grapple.
None of what I gave him was true,This just goes to show he's a massive richard sucking friend.still waiting for a command.