Easy level ups
On the dreadnought leviathan after the first boss and you rescue ashe there is a save chrystal in one of the cells. If you save you will get full health and magic for you're party. After you leave there alarms will go off and there will be a bunch of gaurds. Wen this happens just fight them until you're too weak then run back to the cells and heal on the save chrystal. Hope I helped =p.
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