I don't think we need to remove anymore land from Dwilight, but I am certainly in favour of giving it more. In fact with the ice age the planet is experiencing this could just be the effect (if somewhat delayed) from all that new ice forming! Turns out some of the seas around Dwilight are conveniently shallow and are now reclaimable.
If the ice ages ever end then the excuse for them not reflooding can simply be "magic, work of the gods".
