FoxFace2013 said:
Grimmjow suffered for tens or hundreds of years to reach the Vasto Lorde, and when he fought Ichigo he wasn't able to reach it yet. Grimmjow coming back as a Vasto Lorde is pretty reasonable. That's of course, if he did turn into one.
The battles in Bleach is a battle of Reiatsu, Gin was one-shotted by Aizen, a god-tier character at Yamamoto's level, or even stronger after those transforms, so a slash from Aizen is way too much stronger than a slash from Nnoitra or Ulquiorra for example. (I'd love it if he comes back, but Gin is pretty much dead, as well as Tousen)
Well i think were giving Grimmjow to much credit here since nobody knows how long he was in HM but i would argue that he really wasn't suffering. When we first learn of his past we know he was an Adjuchas, become king of a gang of other Adjuchas, then proceeded to eat 3k hollows before his gang quits and goes well we already knew you were the pst and you would make it. After that he is already with Aizen so who knows time frame wise what that meant but by that point one would assume he would have been doing alright for himself. your right though he fought Ichigo 3-4 times and sure he wasn't at his "potential" ( man i feel like im going DBZ here) but neither was Ichigo and yet Grimmjow still could not win. That's the other thing if he makes Vasto Lorde great but at this point we don't even know if he did it and either way we know it means another Ichigo fight and i am willing to bet that again Grimmjow will lose so what's the point?
For the second part yes i agree a hit from Aizen packs a wallop but again it was an arm cut off and one cut across the chest there really is no reason the arm couldn't be replaced and the slash healed, not like Aizen cut him in half it was simply a slash. I just cannot believe such a character who impacted a lot of events that shaped the Gotei/Aizen's army/Aizen's downfall was left to die in an alley when another character that lost every single fight he has been shown in is walking around like nothing happened. I was fine with Halibel living and taking over HM that makes sense since she was a higher ranked officer and more powerful but even she got captured and beat so again i have no idea how Grimmjow is just wandering around aside from this being done to appease the masses.There's really no point of the fight of Ichigo and Grimmjow, that's why they'll become allies and fight side by side, the same thing goes for all the other characters. Also, one of the reasons of Grimmjow's comeback is because of him being loved by the fans, the same thing goes for Nel. Speaking of DBZ, Bleach is DBZ + Yu Yu Hakusho.
We still know very few things of what their motivations of coming and how they came and how each of them survived, so let's wait for more explanations, it's just a chapter of comebacks. Hell, even Grimmjow didn't appear and we still don't know if he turned into a Vasto Lorde or what he looks like now. We also still don't know the reason the Quincies are fighting too. There are lots of questions that need to be answered, so wait for answers for now.
Gin, as well as all 'souls', are not humans, they have no bodies, they have a spiritual form, which is different from a human's body. Gin was hurt by a god-tier 'creature' with a godlike Reiatsu and his spiritual form couldn't withstand the wound and thus died.