The New Lord of Hell, Zaraki Kenpachi

Whenever Zaraki Kenpachi used Bankai, he would have the manifested Yachiru return to his body, allowing the power of the Hell Path to erupt completely.

But now, leaving aside whether there was enough Hell energy, Yachiru's condition alone made Zaraki Kenpachi unwilling to use Bankai.

And without Bankai, even with Yachiru's power in time, Zaraki Kenpachi could only be gradually overwhelmed by Starrk after he released alongside Lilynette.

The battle between the Hell Path incarnation and the Hungry Ghost Path incarnation had always been one of deathless enmity.

Therefore, seeing Zaraki Kenpachi had already fallen greatly behind and might even be defeated by Starrk within a few moves...