Converse with fellow players
If you look at the Set Effect, it will have "Position 3" in a yellow color, meaning you need 3 pieces. From what I found, the third piece is a Rarity 11 weapon. Got it from this site, but it's in japanese.
@AndrlCh Cool. Ty
Is it better to use a dex mag or a s-atk mag? Reasons please! Haha