Strength = More damage on attacks
Defense = Less damage when being attacked
Speed = Affects your turn order
Luck = Higher chance for critical hits and if I am not mistaken, also improves your lottery chances
HP/MP should be obvious.
You can check back some of your older tutorials. There should be explanations in them.
Rainbow Skies is finally available. Download it on the PS Store for PS4, PS Vita and PS3.
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