He also talks about endurance.
A character's defense is a combination of everything they possess that allows them to deal with attacks so technically you can add Zoro's swords and barrier haki. Just because he doesn't have a passive defense like Sanji and Luffy doesn't mean he doesm't possess a defense.
Why do you have Luffy on there twice? Luffy and G5 Luffy is still the same Luffy
Zoro >>> Luffy >> Sanji
A character's defense is a combination of everything they possess that allows them to deal with attacks so technically you can add Zoro's swords and barrier haki. Just because he doesn't have a passive defense like Sanji and Luffy doesn't mean he doesm't possess a defense.
Why do you have Luffy on there twice? Luffy and G5 Luffy is still the same Luffy
Zoro >>> Luffy >> Sanji