Crystal use for shards
While the hard nodes were 8 attempts, it was more lucrative mathematically to refresh the mode for 50 crystals rather than buy premium characters (like Visas, for example) in the shipments. Since ...
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I'd go for the refresh myself at least on the hard nodes with nuisance gear parts on them. Like the mentioned Holdo node, I'm not interested in Holdo myself so I won't be farming her but if I were and I ended up just getting stun guns instead I'd be a happy man.
