PoE Kinetic Impacts, Trap builds

Hello bros, I'm trying my own build with aim to 24/40 this league. Spectral Helix is on the menu with Vanguard belt and champion as a class. So far so good - doing some low red maps, but I'm starting to have some issues going forward. The idea is to be really tanky (armour + evasion + some spell supp + fortify) and have enough dps to finish of lv 85 bosses. Budget is around 10 ex. Obviously the rings need to be changed, but what else? I'm not even sure if I'm trying to scale Impale dmg correctly (well, just hit hard with flat phys duh..). I would love to switch to 1h + shield, but the dmg ta