Juubi(Naruto) vs Acnologia(Fairy tail), Page 7

Except we know Gai didn't achieve it through some Jutsu. There are literally a handful of people who can use space time Jutsu, and Gai isn't one of them. The only jutsu we've seen Gai use is the summoning Jutsu, IIRC.

Otaku Nuts: 2014

Who's stronger, Nastu (Fairy Tail), Ace (One Piece), Rin (Blue Exorcite), Gray (Fairy Tail), Haku (Naruto), and Esdeath (Akame La Kill)? - Quora

Isshiki vs Acnologia and Aldoron

User blog:EvanDude345rv5/Fairy Tail 335 : RIP Ultear, Fairy Tail Wiki

Page 5, tail art HD wallpapers

Juubi(Naruto) vs Acnologia(Fairy tail), Page 5

Acnologia and Natsu (Fairy Tail) vs Juubito (Naruto) - Battles - Comic Vine

Who in the Fairy Tail verse can take on Juubito from Naruto? - Quora

Fairy tail manga 541: Acnologia VS The Seven by diebitch2947 on DeviantArt

Godlike Naruto - Silver_RavenShadow - Wattpad

Mangas, WRA

Godslayer Stories - Wattpad

Ultimate Fairy - Draconaut vs. Acnologia by KrazyKamikaze44 on DeviantArt