[Soapy]

No, I think someone hulking and ironclad would actually be easier to backstab, due to being slower and having a bigger back. Besides, have any of you actually read the skill?

Bringing real-world logic into balance aside, that wouldn't solve the problem of crit immunity for 5 SP; it'd just severely limit class combos, and make things like Berserker Shell/Light Armor even worse options.