Str: Melee damage (attack power)
Sta: Total health
Agi: Increases dodge, parry, riposte chance, physical mitigation. Affects several rogue skills.
Dex: Crit chance, crit damage, proc rate, melee damage (slightly affects attack power)
Wis: Max MP for healer classes, healing spell power, increases magic mitigation, mana regeneration
Int: Max MP for caster classes, non-healing spell power
Cha: Affects several key bard and enchanter spells like charm and mesmerize. Expect charisma to affect several town-based skills later in development.