Suggestion: Veigar's W falls faster the closer it is to the center of the Event Horizon.
Not too drastic, just something like 0.5-0.75 seconds at the center and the usual 1.25 seconds at the stun boundary. That way enemies have to decide whether they want to stick near the center and have space to dodge Veigar's Q or skirt the edges and risk getting stunned. Thoughts?
Edit: this would be alongside the changes that are happening in PBE.