User blog comment:CapnJedders/AP champion cs frustrations/@comment-7945211-20131030001844

just play a lot, and you'll be able to predict when your projectile will hit so you can last hit minions with 10hp. and the basic formula for farming under tower(providing your own minions don't screw it up) is

caster minions=aa,tower hit,aa

melee minions=aa,2 tower hits, aa

I don't have problems with Syndra, LB or Liss, their shots are pretty responsive and the projecties are above-average speed.. RYZE or ANIVIA or MALZAHAR(he has his Q but still), on the other hand, have a 0.5 second delay, and Cassiopeia's projectiles are definitely the slowest in the game