I can't decide what rings to use for SCH (need inpu)

[Manuka]

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So would the vortex of healing be good enough until I manage to get enough myth pieces to do coil 4? Cause the main reason I wanted to pick fending was to cheese for the vit while still getting stats that are useful to me like Calya mentioned. Because I'm nowhere near doing turn 4 where the allagan ring drops for us and on my server the cost for the crafted ring + materia is about 150-200k gil, which is pretty steep for me since I just reached endgame not too long ago.