Why Blue Mage should be a new Tank job [Magitek Knight]

[Reynhart]

Or is there no difference between a block-centric tank and a parry-centric one -- if one still existed to equable levels -- since they're both non-entire percentile mitigation?

If they both scale the same (either none or based on a similar stat) and are useful in the same situations (physical, magical or both), yes, there is no real difference. And aesthetic is very thin to design a job on.

For me, if they want to create a "parry" tank, they should give it something else, namely a "parry and counter" tank, more heavily based on procs.

Are people really looking for a chain of 100% mitigation, 0%, 0%, 0%, 0%, 0%, 100%, 0%, 0%, 0%, etc. mitigation specifically

I can't speak for everybody, of course, but I think that an "Evasion tank", in the mind of lots of Final Fantasy players, is what NIN was in FFXI, where you either took 0 damage or the full hit. And it was unbalanced as hell.

You build up a job gauge for Florish, then burn it on Phantom's Retreat, consuming some flat + percentile (of current) amount of job gauge to guarantee (yes, 100%) evasion of a proportionate AP or (e)HP-based amount of damage (i.e. to a cap).

I'd say the second looks something similar as TBN, and if I understand the first one correctly, you mean that, against similar level opponent, you'd reduce, let's say, 50%, but against lower opponent, you could end with 100% damage reduce since their AP is lower, right ? And against stronger foes, you'd reduce less damage ?

If that's the case, I find the concept of scalable mitigation very interesting. Frankly, I think all mitigation skills should already work that way by having a potency and scale on tenacity, which would make the stat suddenly much more valuable. After all, offensive skills works like that...