Max out Dex and Con, Don't fret much about Str or maybe the +2 raging damage they will not use (3rd choice for stat placement). As the Goliath has a +2 STR and +1 CON for his or her ability scores, they get the edge more than many other races https://dallasbwogx.acidblog.net/59127174/turtle-dnd-an-overview