So waiting for the mercenaries is all well and good, but there's still the risk of more of the cool whales dying in the meantime.

First, how violently and how many can things be expected to explode if sparks are set off?

Second, how much will Yata be able to learn about the above, either by reading or asking among the hunters and Moria NPCs?

And third, how heavily guarded are the hunters' ships when they're docked?