Ancestral Guardian could possibly be perfect due to the fact your racial features already make you far more strong, so guarding your allies is often a good future step to take; it’s the subclass I most endorse. The Spellcasting feature may be the ribbon that ties the “Mechano-Lancer” build nicely. https://tritondnd68135.get-blogging.com/28582028/variant-aasimar-dnd-5e-an-overview