Chopper Transforms Into Monster Point At Enies Lobby

Chopper's Monster Point Transformation

Chopper's Monster Point Transformation

Chopper Tony Tony, All Worlds Alliance Wiki

Never Watched One Piece — 290-93: Uncontrollable! Chopper's Forbidden

Tony Tony Chopper/Abilities and Powers, One Piece Wiki

I'm disappointed we didn't get to see more of Chopper's pre-time skip horn point. Post time skip seems like a downgrade IMO : r/OnePiece

Never Watched One Piece — 565-566: Luffy's All-out Attack! Red Hawk

Has Chopper had a serious fight post-time skip in One Piece? - Quora

10 Moments Where Chopper Saved the Straw Hat Crew in One Piece!