im gonna be honest, i did pick up on the targeting with Hearth... and then due to the accidental mercy of allowing saving, i let myself try the final boss once even though i saw the azure chest and it was already obvious i had one spell missing. and so i was immediately like Huh Im Gonna Get MP Restore and then i did and then i creamed that blue lady
so apologies for mentally solving your skill box of curiosities in the wrong order but it did have basically the intended effect on me anyway? and i was still scared of the mimp + goofus troop on the final, fully equipped walk back so good work