Although Doflamingo did not care about the Navy, these slaves could not afford not to.
Among the Celestial Dragons' slaves, there were some who possessed a bit of fighting ability, but their numbers were certainly small, and they could not possibly be very strong—in fact, someone like Fisher Tiger already counted as the strongest among them.
After all, anyone any stronger could never have been captured by human traffickers in the first place!
As for Fisher Tiger's strength? At most, he was a Navy Vice Admiral. Not even one of the outstanding ones.
What was more, after being a slave for three years, his combat strength had probably declined even further.
Of course, after eating the Gen-Gen Fruit, Tiger's strength had clearly improved considerably. Once he fully digested it and developed its Devil Fruit ability, he would probably reach the level of a Shichibukai. At the very least, dealing with several ordinary Navy Vice Admirals would not be a problem.
But among all the slaves, there was only one Tiger. The next strongest was unexpectedly Tesorro, who had only just eaten the Gold-Gold Fruit.
Tesorro had only just eaten the Gold-Gold Fruit. The so-called golden giant dragon and golden ship had both been made from gold Sancho had gathered; it was not because he had already become strong enough to awaken his Devil Fruit ability.
Even this was only possible because he was exceptionally gifted and matched the Gold-Gold Fruit to an unparalleled degree. An ordinary person would need at least half a year to develop it to this extent and control so much gold.
Strength like this could be called second-best among these slaves. One could imagine just how poor the slaves' overall strength was.
Even though the Celestial Dragons liked collecting pirate captains, in truth, among the pirate