Mm, you guys shouldn't think of these one-pick build votes in the context of "what do we need to fight right now." It simply is the case that picks are finite, especially safe picks, without something like Pillars, and even with Pillars you're still rate-limited on picks per month. If your goal is Protection that's actually on the level of Hunger's other abilities, Pearlescence is pretty much your only shot and you don't have the picks or Arete to spare for that. Iridescence alone is just not that good anymore, especially in light of the value provided by Blood Advancements. Plus Opalescence doesn't offer any advantages in noncombat situations, which you may be going into now. More Charisma is frequently good in case you get a Tyrant proc.
Is Quit Like A Dog the Freedom option?
WIPs get fractional amounts depending on the degree of change.