I have the spell to make them vulnerable but they are still quite tough (I am level 18), they have a lot of HPs and they hit hard and often and they are kicking my butt and preventing me from reaching Leandra in the Phantom Forest. I would appreciate it if you guys could share strategies for dealing with them effectively.
My team is made up of 2 elemental casters, a ranger and a meleé character. Thanks a lot in advance.