Min str and rest into dex. But also keep in mind some gears (Lunar robe, Tomes like pangu, etc) add extra str once you equip them so for example, if i'm not mistaken both the robe and the tome give +7 str so that makes +14 in total, and the min req. of str to wear dragon LA gears is 154 so you just put 140 in str and get the difference from the gears.