For those who think Kaido got massively stronger after his 40's

Who is stronger, Kaido or Shanks? I think Shanks. It was said that Shanks beat Kaido in 1 day, but Shanks doesn't have any feet. Who do you think? - Quora

What is your opinion on Kaido being stronger than Shanks and Akainu? - Quora

For those who think Kaido got massively stronger after his 40's. These guys are still not in their prime and can still get stronger in their 60's : r/OnePiecePowerScaling

Straw Hats' New Bounties After Wano Arc in One Piece

Kaidou, One Piece Wiki

For those who think Kaido got massively stronger after his 40's. These guys are still not in their prime and can still get stronger in their 60's : r/OnePiecePowerScaling

I'm calling it. Roger easily defeated Kaido here. That's why Kaido put him in his top 5 list : r/OnePiecePowerScaling

Friendly reminder that almost all the evidence points towards Kaido being the strongest Yonko, and fighter, of this era. Kaido>Mihawk. Kaido>Shanks : r/OnePiecePowerScaling

I'm calling it. Roger easily defeated Kaido here. That's why Kaido put him in his top 5 list : r/OnePiecePowerScaling

Shanks & Kaido vs 4 Admiral - Battles - Comic Vine

Hybrid Kaido vs Greenbull and Awakened Lucci - Battles - Comic Vine

Powers & Abilities - Oden and Kaido surpassed Whitbeard and Roger, full analysis

Powers & Abilities - Oden and Kaido surpassed Whitbeard and Roger, full analysis