The best way to know if a player is a good duelist is RAZE. There is a BIG difference between a good duelist and a jett abuser
If he is a good duelist, he needs to be good with raze.
heat? not good with raze
aspas? not good with raze
xand? not good with raze
tenz? not good with raze
cned? not good with raze
scream? not good with raze
d3ffo? not good with raze
derke? not good with raze