Great Diamond Ninja Island Cup

### Performers

Kenji Uroninja, Kenji Udoninja, Wriggle Nightbug, The Mothman, Ephirsap, Opla, Dark Kenji, Agent Morgan Knight, Anthony Kingston, Toomsnone, Dr Ebryel, Denebola, Pyerop, Kunzeti, Srad, Cinteri

### Location

Ninja Island Resort

The Great Diamond Ninja Island Cup, also known as the Arcturus Cup, is an event hosted by Arcturus, owner of Ninja Island, as part of his campaign against anime in Season 3.

## Sign-ups

Before the tournament began, there were sign-ups. Kenji Uroninja and Pyerop were among the first to sign up for the tournament.

### Banned competitors

However, as shown in Ninja Island 85, certain competitors were banned from entering the tournament, in order to keep it fair and entertaining:

* Vampires & other Class A undead
* Chronokinesis/Spatiokinesis (the ability to control space and time)
* Climax Card users
* Gods/Deities/Primordials/etc.
* Dimanod Mineralians
* Ice fairies associated with ⑨
* Anyone whose name starts with "M"
* Immortals

In Ninja Island 90, all the sign-ups were closed as the contestants had been revealed by Sirius Lee, except for the Quarzt representative.

Ninja Island 101 revealed Mazonitea and Sirius Lee as the commentators. However, they needed a third commentator, so Haruki Tamaki introduced them to his moon rabbit companion Raisin.

## Round 1

After the sign-ups were closed, in Ninja Island 101 it was time for the start of the tournament. 16 fighters had been selected, and now, it was time for the tournament's first round to begin.

\*Cinteri's place in the match was kept a secret until Ninja Island 112.

### Wriggle Nightbug vs The Mothman

The match was over easily when Wriggle Nightbug gave The Mothman a lamp.

### Agent Morgan Knight vs Dark Kenji

During the match, Dark Kenji threw knives at Agent Morgan Knight, but she blocked them easily. She then took Dark Kenji down to advance to the quarterfinals.

### Dr Ebryel vs Denebola

Before the match, Denebola transformed into his more powerful form using a Nova Driver. Dr Ebryel was gaining the upper hand on Denebola for the first half, but then in the second half, Denebola used all his energy to defeat Dr Ebryel and move on.

### Kenji Uroninja vs Kenji Udoninja

Kenji Uroninja defeated Kenji Udoninja very easily. As the fight progressed, Ikustan tried to capture Sayori but failed and got caught by an Ender Learp.

### Anthony Kingston vs Toomsnone

Toomsnone surrendered right away, handing the match over to Anthony Kingston.

### Opla vs Ephirsap

The match wasn't shown, but Ephirsap defeated Opla using his new star-powered head-crystal.

### Pyerop vs Kunzeti

The match wasn't shown, but Pyerop defeated Kunzeti.

### Srad vs Cinteri

Before the match, Srad had no idea who his opponent was, until it was revealed to be Cinteri. Cinteri was the underdog in this match, but he managed to score the upset win over Srad.

## Quarterfinals

The bracket for the quarterfinals was revealed in Ninja Island 114.

**Overview of the Quarterfinals**

### Wriggle Nightbug vs Kenji Uroninja

Using the training given to him by Reimu Hakurei, Kenji Uroninja defeated Wriggle Nightbug by throwing slips of paper at her. Rumia and Team 9 tried to intervene, but they failed and Kenji prevailed anyway.

### Anthony Kingston vs Denebola

Anthony Kingston used his lightning spells on Denebola, but lost when he absorbed the lightning and sent it back at him. Denebola defeated Anthony Kingston with the Star Beam.

### Agent Morgan Knight vs Ephirsap

During the match, Ephirsap thrust his spear into Agent Morgan Knight's helmet, revealing her true identity as the Leryb Mineralian known as Marigonet. Ephirsap defeated Marigonet to win.

### Cinteri vs Pyerop

Pyerop defeated Cinteri easily in this match.

## Semifinals

The bracket for the semifinals was revealed in Ninja Island 128.

Overview of the Semifinals

### Kenji Uroninja vs Ephirsap

Kenji Uroninja defeated Ephirsap easily. No shenanigans happened during the match.

### Denebola vs Pyerop

Denebola defeated Pyerop so quickly that not a lot of people remember seeing it.

## Finals

The bracket for the finals was revealed in Ninja Island 137, with Kenji Uroninja and Denebola facing each other in the finals.

### Kenji Uroninja vs Denebola

The match started with Ninja Island 140, where Kenji Uroninja initially had the upper hand. However, Arcturus asked Shadow Kenji, in disguise as Vega, to activate his King of Diamonds Climax Card to make Kenji weaker. This allowed Denebola to almost defeat Kenji. However, Haruki Tamaki noticed Vega and went to stop him. In Ninja Island 144, Kenji defeated Denebola to end the match and win the tournament.