Fairy Tail x One Piece x Dragon Ball Super

Fairy Tail x One Piece x Dragon Ball Super is an anime crossover between the the title franchises of the same name.

Plot
Somewhere in an empty space between dimensions, Enel, god of lighting from One Piece, Mavis Vermilion, an immortal magical being from Fairy Tail, and Lord Beerus, god of destruction from Dragon Ball, were discussing there stories of how they each met strong warriors in their respective worlds. It later turns into and argument over which world is stronger. Enel comes to the conclusion that they hold a tournament of their worlds strongest warriors, 10 from each. Enel also states that whoever's world wins the tournement, the losing worlds will be destroyed permanently. And much to Mavis and Beerus' disapproval, they have no other choice and reluctantly accept. And so, the strongest warriors of the three worlds assemble. Consisting of the Fairy Tail magic guild, the Straw Hat Pirates, the Z Fighters, who will win this tournament of legends and what is Enel's true motif? The greatest heroes of the 3 worlds are ready to go!

1. Natsu Dragneel
2. Lucy Heartfilia

3. Gray Fullbuster

4. Erza Scarlet

5. Wendy Marvell

6. Gajeel Redfox

7. Juvia Lockhart

8. Laxus Dreyar

9. Sting

10. Rogue Chevay

Team Straw Hat:
1. Monkey D. Puffy

2. Roronoa Zoro

3. Nami

4. Usopp

5. Sanji

6. Tony Tony Chopper

7. Nico Robin

8. Franky

9. Brook

10. Jinbe

Team Z Fighter:
1. Goku

2. Vegeta

3. Piccolo

4. Gohan

5. Krillen

6. Goten

7. Trunks

8. Android 17

9. Android 18

10. Majin Buu

Supporters
They don't count as fighters more like representative/supporting members.

Team Straw Hats:
Trafalgar Law and the Heart Pirates

Team Fairy Tail:
Happy

Carla

Pantherlily

Frosch

Team Z Fighters:
Hercule

Jack the Space Policeman

King Kai

First Tier:
1st Match: Usopp vs Krillen > Winner: Krillen

2nd Match: Chopper vs Gajeel > Winner: Gajeel

3rd Match: Franky vs Laxus > Winner: Laxus

4th Match: Wendy vs Brook > Winner: Brook

5th Match: Buu vs Lucy > Winner: Buu

6th Match: Juvia vs Nami > Winner: Juvia

7th Match: Goten and Trunks vs Sting and Rogue > Winners: Sting and Rogue

8th Match: Android 17 vs Natsu > Winner: Natsu

9th Match: Sanji vs Android 18 > Winner: Sanji

10th Match: Vegeta vs Brook > Winner: Vegeta

11th Match: Zoro vs Juvia > Winner: Zoro

12th Match: Krilen vs Jinbe > Winner: Jinbe

13th Match: Robin vs Sting > Winner: Robin

14th Match: Gray vs Krillen > Winner: Gray

15th Match: Rogue vs Luffy > Winner: Luffy

2nd Round
The 3 teams now have 5 team members each.

Team Z Fighters:
1. Goku

2. Vegeta

3. Piccolo

4. Gohan

5. Majin Buu

Team Straw Hats:
1. Monkey D. Luffy

2. Roronoa Zoro

3. Sanji

4. Nico Robin

5. Jinbe

Team Fairy Tail:
1. Natsu Dragneel

2. Gray Fullbuster

3. Erza Scarlet

4. Gajeel Redfox

5. Laxus Dreyar