The Seven Deadly Sins manga is currently in an intense arc and the spoilers for the upcoming chapter, which have only recently been released on Reddit, suggest that Nanatsu no Taizai Chapter 271 is only going to get better.
Nanatsu no Taizai Chapter 271 Spoilers:
According to the spoilers for The Seven Deadly Sins chapter 271, the upcoming chapter will have something to do with Zeldris and the vampires. These spoilers are not confirmed just yet but they do come from a reliable source.
The spoilers for the upcoming chapter read: “Wild, Ban and Meliodas had a pretty long conversation.”
“Meliodas, accompanied Zeldris from when he sealed the vampires back then, saw the events first hand.” That will be shown as a flashback.
Meanwhile, Zeldris could not bear to kill Gelda, which is why he sealed them instead. All of these will be revealed in the upcoming chapter of The Seven Deadly Sins.
In addition, the spoilers for The Seven Deadly Sins chapter 271 suggest that we will also see the Demon King appear, however, it will be at the end of the chapter; while it has also been hinted that Gelda will be sealed again by Meliodas.
As you can see from the spoilers above for chapter 271, this is going to be a pretty exciting chapter of the Seven Deadly Sins manga.