Everyone entering this simulation field is elite, adept at disguise.
Duge didn't expect Safra's generals to find them all; he couldn't be everywhere himself, so naturally, he focused on the most important tasks.
It would take half a month to sail from Phoenix Tail Island to Elta Ale, even with the Feather of the Sea God, which only triples the speed, it would still require at least five days.
A large-scale legion move would need a considerable amount of supplies, the fastest preparation would take two days.
After all,
once they found the Golden Compass, they had to set off to find the Sea God Scepter, they couldn't look for supplies at the last minute.
Some things could be rushed, some could not.
With nearly five hundred contestants left in the simulation field, anything could happen, like the incident with Black Magic Hand. If he hadn't been quick-witted enough to ram his head into the ship, he would've been separated from his body and eliminated long ago.