Stats

Strength (STR) *
1 point of STR increases status physical attack power by 1
1 point of STR increases your weight limit by 30
Str also increases weapon atk by a considerable amount

Agility (AGI)
1 point of AGI increases flee rate by 1
5 points of AGI increases status defense by 1
Each point of AGI increases attack speed (ASPD) by a good amount

Vitality (VIT)
1 point of VIT increases your Max HP by 1%
1 point of VIT increases your recovery rate by 2%
2 points of VIT increases your status defense by 1
5 points of VIT increases your status magic defense by 1

Intelligence (INT)
1 point of INT increases your status magic attack by 1.5
2 points of INT increases your status magic defense by 1
Each point of INT decreases your variable cast time by a bit (about half as much as DEX)

Dexterity (DEX) *
1 point of DEX increases your hit rate by 1
5 points of DEX increases your status magic defense by 1
5 points of DEX increases your status magic attack by 1
5 points of DEX increases your status physical attack power by 1
Each pont of DEX increases attack speed (ASPD) by a very low amount
Each point of DEX Decreases your cast time by a good amount

Luck (LUK)
1 point of LUK increases your CRIT by 0.3
3 points of LUK increases your status physical attack power by 1
3 points of LUK increases your status magical attack power by 1
3 points of LUK increases your hit by 1
5 points of LUK increases your flee by 1
10 points of LUK increases your perfect dodge by 1

Base Level
1 level increases your HIT rate by 1
1 level increases your FLEE rate by 1
2 levels increases your status DEF by 1
4 levels increases your status ATK by 1
4 levels increases your status MATK by 1
4 levels increases your status MDEF by 1