Please don't use FL stock samples, they sound really bad. The melody is pretty cool. it lacks or elements and wetness. Also sidechain your elements for a better sound. Don't ignore usage of bass, it's crucial. Avoid gaps like the one at 4:03, it breaks the rhythm of the song.
Wish you the best,
~ Ahurac
Bladeofficial 
GDCharlie 
ST3NOfficial 
