@Long:
The marines daring not to go there doesnt mean wano chumps could take out rare admirals like that it's more like they dont mess with them because of their strength not that they could win with enough resources
Which is just semantics. Who talked about Wa No chumps, not to forget a Yonkou crew…
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@Kaptayn:
His "subordinates" are not afraid of death, just like he is. And PH was described as a dangerous and hostile island, thus the reason nobody should go there. But that doesn't stop justice. Now there is nothing to gain from stepping on Emperor territory, you are right, but it's not specifically because "they're scared of dying". Marines are supposed to fight pirates. But declaring war upon an Emperor can sink the whole world, and that, Smoker wouldn't want.
You should read PH then if you think that´s the case. Dudes were pissing themselves when they entered PH, when they met Law, when they met Caesar all the way until it came to saving Tashigi when they showed their bravery. And it´s not about caring about death, it´s about Smoker caring about their death which is not even deniable.
Nobody described PH as a hostile island. Nobody was supposed to live on PH because it was deemed uninhabitable but Smoker overheard that den den mushi call, put two and two together and realized there are people living there after all.
A far different situation then Smoker willingly going to an island that would mean certain death even before it became a Yonkou territory.
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@akagami7:
Smoker and tashigi are heading to vegapunk's place right now. I don't see them traveling anywhere else in the near future.
Which is the safest bet where they will be until the Strawhats get to that island which they undeniably will do after this Yonkou stuff is over.
Vegapunk´s appearance and him sharing the secrets will be one of the most crucial moments in the story after all, then there is also still the Kuma stuff.