Deep Mine floor 9 will not drop Enriched Elunium.
Bellow is the list of items dropped on Floor 9, but doesn't drop E Elu
Rough Blue Ore
Tiny Gold Ore
Just now I tried slotting Cursed mad Bunny+0 and failed.
A minute later tried slotting +12 Cursed Mad Bunny and had success message, but no bunny shied in inventory (See picture)