How strong would Kakazu be if he coulnd't move his hearts or use his wires?

[sharingansennin]

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Kakazu can still change his hearts and use the elemental affinity advantage that gives him but his hearts don't leave his body.

 

[90sKids98]

Did anyone even seal Kakuzu before Itachi made Kabuto release Edo Tensei?

 

[Zexion~]

Did anyone even seal Kakuzu before Itachi made Kabuto release Edo Tensei?

Nope U_U

And not that strong, His versatile hearts and agile natures are a huge plus along with his CQC advantage with the threads

 

[Zealotic]

Earth Grudge is basically what makes him hard to fight close up