As cheap part (not whole probably) of survivability solution on wizard side:
- Remove global cd triggers (both from other skills and these) for both blinks, ice prison, ice shield, renewed activation, ice crystallization
- Ice prison eff+, no purging for that
- Resilience passive from 5% phys. def into 5% phys. abs
- At least one stun removable only by real support class
- Modify pets AI so that they ignore player target under ice shield entirely
More damage still required, but that's little more tricky (and lazy).
And, not quite sure that melee actually risk anything in close range. They got enough defense to be damaging tanks. Well, except daggers, but that's life, their destiny is to be melee-supports haha, being dead same second they lost evasion rng.