You need the WIS not just for your survival, but for your Main class abilities to generally be useful in the least. Focus on STR or DEX (based upon if you'd like to be melee or ranged target, respectively), then Enhance your WIS. Your +one to AC is naturally likely https://manuelpjfyr.blogdon.net/5-simple-statements-about-earth-genasi-dnd-explained-44258465