If you use Zen Meditation during the Massive Crush you will only take between 250-400k damage which followed by a quick shuffle and you will be fine.
Useful for when Garalon is at a low enough health to solo the rest down in 1-2 minutes before pheromone stacks get too high.
Every other class will die no matter what they use but Zen Meditation works like a charm.
I've done this several times and lived minutes past enrage so I know that this was not just a 1 time occurrence.