Climb says you need to START in B2B with a wall. So unless the Engager starts his ARO in B2B with a wall this would violate that part of the Climb...
So then if I'm reading this all correctly, basically you want to be VERY careful when declaring Engage vs. a Climbing+ enemy. The reason being...
Since B2B contact is volumetric, if the cylinders touch then both models get to attack each other in CC correct (assuming order is spent + ARO,...
