This is reminding me of that "give SCH Retrace" thread, in that it falls into the category of I couldn't care less.
The concept that Klimaform shouldn't be allowed logically when subbed because it's AF1 is just as solid of an argument as saying it should be allowed because it's a spell, since no spells are currently locked on subjobs. Kaustra and Embrava are the first technical exceptions, but since TR is required they're not really exceptions based on the published requirements.
In the end though I care as much about the logic as I care about the availability. I like the fact that SCH got a useful spell as a AF1 instead of an instantly forgettable weapon, imo they should make as much out of it as possible, including allowing it to be used by other mains who clearly completed the same quest for it.
As far as brokenness, once convert and refresh became subbable there's really nothing that should be exempt from subjobs. RDM has a lot more to complain about than SCH does with Klimaform. As stated, I'll never use it on WHM or BLM, but I am considering 2 minutes of more accurate enfeebles with Spotaneity + Klimaform.
What I am in favor of, as always, is progression to a job's unique spells and abilities. Just as I want tier 2 weather for SCH, I'd like an enhanced Klimaform effect or Klimaform II for SCH main. I think that's the real issue here. Savant's Loafers are a good start, but I'll vote for additional duration for SCH main and would like a single party target white magic version that can be accessioned that raises storms to tier 2.

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