I am asking a very specific question and it is a follow-up to one of my earlier ones. (See Here.). Inside the link, is described a very specific situation in which a Warlock takes a paragon path which allows him to open a portal and then throw enemies through it.
In a similar situation as found in the previous question, let us say that the Warlock in question obtains the feat "Flitting Shadows."
Benefit: Whenever you hit an enemy under your Warlock’s Curse with an encounter or daily warlock power, you can reduce the Warlock’s Curse damage you deal to teleport the target. You can teleport the target 3 squares for each die of Warlock’s Curse damage you give up.
With this new feat in hand, like in the example from the previous post, the Warlock uses Lash of the Long Night to throw his enemy into hindering terrain. The encounter power pushes the enemy back through the portal, so he takes his saving throw and he succeeds. Would that Warlock now have the option of using Flitting Shadows to attempt to push him through the portal again in lieu of doing damage?
If the damage is resolved first, assuming that the Warlock opens his portal right behind the target, the enemy would be pushed back roughly 11-12 squares if that Warlock chooses to use Flitting Shadows to its fullest extent. If that enemy succeeds in a savings throw, does he simply remain at the edge of the portal as if nothing had happened?