Theory Shanks is faking his disability

[KonyaruIchi]

Maybe the dude is so good with his sword he literally doesn't need another arm, it's not like he needs to swing his weapon with both arms.

 

[Finalbeta]

Maybe the dude is so good with his sword he literally doesn't need another arm, it's not like he needs to swing his weapon with both arms.

He probably lost less power than many preemptivated

 

[Kurozumi mugiwara44]

 

[Finalbeta]

Difficulties make one stronger due adapting needs

 

[symbiote]

Shanks ate the Chameleon Zoan fruit and he just makes his arm visible so Mihawk would leave him alone.