Ivory Tower Wizard Rombel:
Cough, great!
Go to Cruma Tower: Underground Lv. 2. Repair the device by collecting 20 Energies of Generation by slaying Dark Lord, Dark Knight, Soldier of Darkness, Ossiud, Perum, Liangma, Achelando, Styrindo, and Ashende.
But, there's another expert who specializes in repairing magic devices. Once you've collected all your Energies of Generation, go to Ivory Tower Wizard Belkadhi on the same floor.