[ if archer were the type to mince his words, he'd tell her that anything was better than nothing. but he's not, unfortunately. ]

It's unlikely that'll do much against the full weight of an ocean falling on us. Shame. [ he does, at least, sound a little disappointed. ]

The ideal situation would be for you to build a permanent structure that feeds on and recirculates the natural energy of the world to maintain a barrier between the Palai and the ocean but... that's very advanced magecraft. It takes years to master, and still isn't infallible.