I tried it once with Emerald on an emulator..... while using randomizer.
Roxanne had a Steelix and a Walrein, and she had Hyper Potions as well.....
There were no survivors that day...
"Just for comparison Uncharted 4 was 20x bigger than Splatoon 2. This shows the huge difference between Sony's first-party games and Nintendo's first-party games."