When he does his combo, at the end he knocks you back while you are slowed too. It makes it extremely hard to retaliate because he will just walk away so in theory he usually wins the trade no matter what.
From what i see, his mana costs can be pretty high, but you'll take so much damage that it's hard to even stay in lane.
His poke might do a bit too much damage i think, considering the utility in his kit ( ccs ) that can save himself.
Maybe lower the slow percentage on the Q, and just a bit of damage on the poke.
Because it doesnt feel right to get 100-0d while being CCd