Nerf cata reflect/block/evade/invul uptime. Nerf the damage too while you are at it. This class puts bunker druid to shame. Not even ICBM's of the world can kill this bunker of a class. Introduce more boon corrupt/boonstip utilities to ALL classes. Nerf thief mobility (its the class ...
Staff Weaver and catalyst are the best for the playstyle you are describing. The only way to stay alive is through practiced positioning and preemptive evasion. If a roamer manages to suprise you with their burst you will probably die unless you manage to respond correctly in under a second...