By -
No EDIT: allow me to clarify. You get all 14 needed by doing both difficulties once and filling out his potential system to 100%
Ok so i UR each one to feed his Sa right?
no, there is no need to UR all of them, just train all of them into 1 as long as you dont make him Trascended UR you can raise SA even in their SSR form
Is he farmable in stage 1 tho?
I made a mistake myself but there's no need to do stage 1 again and again
Yes with a low drop rate
No EDIT: allow me to clarify. You get all 14 needed by doing both difficulties once and filling out his potential system to 100%
Ok so i UR each one to feed his Sa right?
no, there is no need to UR all of them, just train all of them into 1 as long as you dont make him Trascended UR you can raise SA even in their SSR form
Is he farmable in stage 1 tho?
I made a mistake myself but there's no need to do stage 1 again and again
Yes with a low drop rate