Graves dash

This could be as simple as the ability overriding other movement displacement abilities, and can be replicated with good timing, but as an example:

If graves gets ulted by Lee Sin (Dragon's Rage), and at the same time quickdraw's right as the stun is applied, the damage and stun are applied, but the knockback doesn't happen. The dash from quickdraw takes priority. I'm not sure if this is a bug, but it definitely feels like one.