Natsu Dragneel vs Rob Lucci

Gallery

R1: Speed Equalized, Pre-7 year Time Skip Natsu

R2: Speed unchanged, Pre-7 Year Time Skip Natsu

R3: Speed Equalized, Current Natsu

R4: Speed unchanged, Current Natsu

In character

Battle to the death

Fight takes place in Enies Lobby

R1: Lucci

R2: Lucci

R3: Natsu

R4: Natsu

Lucci

Lucci

Natsu

Natsu

this

this

Friendship

Friendship

Friendship

Friendship

also this

Current Natsu is dying from a magic Tumor.. also I think he lost the Igneel amp during his battle with Zeref

I'll reserve judgement until One Piece: Film Gold I agree with the first two, but I'll reserve judgement on the second until One Piece: Film Gold comes out.