Yhwach has proven to be a formidable foe, and while it seems Ichigo and his allies are losing the battle, an unlikely character will help them in "Bleach" chapter 682. Some details from 682 have leaked online including the end of the chapter that gives rise to speculations to what will take place in chapter 683.

According to spoilers, Yhwach's destruction of the Soul Society has paved way for Aizen to escape. It also implies that during Aizen's stay in Soul Society, he has regained most, if not all, of his powers back. In the chapter, he will not be seen using his Zanpakuto abilities, but he is believed to use that against Yhwach eventually.

The chapter will also see Uryu in a devastated state when his father, Ryuken, and Isshin find him. Ryuken will give his son a special arrow that could destroy a Quincy that he could use to shoot at Yhwach's heart.

Renji will swear his alliance and loyalty to Ichigo, telling him that he will fight even if it means dying while fighting alongside Ichigo. He will then urge Ichigo to continue the battle with Yhwach.

Meanwhile, Yhwach is surprised by Aizen's decision to go against him. While Yhwach thinks Aizen is fighting for the Soul Society, Aizen's decision is brought about by his desire for self-satisfaction. As the two prepare to engage in a battle, Ichigo and Renji arrive.

Yhwach who has the power to manipulate time has calculated their move and will end up breaking Ichigo's Zanpakuto. With Ichigo helpless, Aizen is expected to reveal his own Zanpakuto in "Bleach" chapter 683.

The battle against Yhwach is speculated to end with a fight against Aizen because of how their powers work. Yhwach has the ability to manipulate time, while Aizen has the ability to alter reality.