Togi presumably killed gojo, little did he know that Gojo used his reversed cursed technique (for the first time) and came back alive.

Gojo Satoru: gojo blabbers and inhales with wide eyes The only reason your going to die- is because You DidNt ChoP my HeaD ofF!~ AhaHa !

Toji Fushiguro: … is he… high? Hm. takes out his weapon Our fight has just began.

Gojo: he freezes and looks at him is that right?… You could be right… YOUR SO RIGHT! he says excitedly wide eyed and smiling