Yes, they are too durable but on the other hand with all the aoe dmg, lb's and cc's in an FL match it would be too hard to survive an jump in. Something like an additional immunity to all cc's in exchange for less DR might be an idea.

I imagine that a lot of balancing is just to adress the impacts of LB's and CC's
and with the comeback of RW certain skills might be even more OP.