Quote Originally Posted by Panzar_NSidious
So here are the questions:
Can she attack more than one monster in Elan’s stack with her range attack?
Can she attack both stacks with her range attack?
Does she need +3 or +4 to range to attack a flying creature three rooms away? .
On page 15 of the rules in section 8:
You may not continue to battle additional monsters if you make a Ranged Attack into a room; you must be in the same room as the Monsters in order to continue.

This should answer questions 1 and 2.