"If this weren't the Land Of The Gods, they could wipe the map clean between the two of them!"
VERSUS
"Lady Ulti's in dinosaur form too!! The castle can't withstand this kind of damage!!"
Me personally I think the first one mid-high diffs.
Ulti clashing with Luffy really solidified her as a Yonko level opponent though.. She'd probably push the 2 Admirals to mid-high diff.