The majority of FX are placed behind the sprite, and the ones that overlap only cover a small amount, so it does not remove the utility of the sprite. Its also important to mention that majority of the FX are mostly placed for display (with exception of aura), so thats why.
Second official sheet in my new style 'Ultimate LSW!', Kefla!https://qsab101.deviantart.com/art/Kefla-Ultimate-LSW-Sheet-716860682
The first of its kind, Vegeta in Ultimate LSW!https://qsab101.deviantart.com/art/Vegeta-Ultimate-LSW-Sheet-725170073
New Addition to Vegeta!SSJ & SSJ Blue included:https://qsab101.deviantart.com/journal/Vegeta-Ultimate-LSW-OUT-NOW-742071279
All new Ultimate LSW 2 style released! based off of the design sheets for the new DragonBall Super Movie: Brolyhttps://www.deviantart.com/qsab101/art/ULSW2-Sprite-Collection-755960715