It'll take more movement to leave the 30 ft burst, but the wall will block it if N'Dara hides behind the door since it requires line of effect.<br/><br/>The map is how I pictured the characters, modified a little to work on a grid so the described distances aren't exact...really anyone can attack anyone.  The exception is the dwarf attacking anyone other than Victoria and Lydia, her 20ft speed with no increase means she's too far from the trio outside the room.