Hydruka - Sport of Mahri Nui

Following the boom of Arthakan Sports, I have decided to make a sport for Mahri Nui, which I established in this pitch.

Unfortunutely, at the moment you’re reading this, I haven’t thought it out completely, so, if you have any suggestions, here with them!

This thread will be continuously updated with all the suggestions and ideas.

So, on with the sport!

I present to you; Hydruka, the sport of Mahri Nui!


  • There is a ball of air, created by a Hydruka at the start of the match. (Hence the nane)

  • The players have a staff with a socket at the end (A bit like Kolhii staff, but without the other, hammer-like end)

  • The goal is most-likely (Yes, I am not fully sure about this) sieze the bubble and get it in your gate.

  • The players ride on the backs of underwater rahi Hydruka. (Suggestion by @Bokarda)

  • During the match, violence is not prohibited. If you want to beat your opponent to get the air-bubble, you can. As long as you do not cause any permanent injury or completely beat the opponent out of the game. (Make him unable to play any longer)

This is because matorans of the underwater region are hardened by violence and survival. They face death every day outside the city, so they are used to violence.

  • The game can be played by two, three or even four teams. The all have mixed matorans in them, since they do not view each other as members of different regions on the surface, but all as the same inhabitants of Mahri Nui.

(All of this will be added to the Mahri Nui thread in the next update.)

  • Sometimes, the air-bubble may wander outside the stadium, all players can follow it wherever it goes, but are doing so on their own safety.

  • As this is an underwater sport, playing from all 3 dimensions is allowed, swimming above or below your opponents is thus considered a tactic.

So, this is basically an underwater Quiddich with only one air-bubble. It is considered dangerous but comeptitive. I would like there to be elements from all the different regions, as Mahri Nui does have mixed population.


  • Each team has to have at least 2 members

  • The team which achieves 5 points dominance over the next team, wins.

  • The game is paused when a team member is unable to play

  • Due to violence=the other team is disqualified

  • Due to an accident involvint the environment (Attack of a rahi) = the Matoran leaves and the game continues

  • The game is ended when a death occures

  • Due to violence of other players = Team of the Matoran who caused the death is disqualified and prohibited to play for a year

  • Due to an accident = The game ends, nothing else happens.

That is it for now! Please, leave your suggestions below! Thanks for reading this thread!


Its a dope idea. Nice job!
The only problem is that it’s very similar to sports like Akilini and Quidditch, but this is… I’m speechless lol.

@Bokarda what if a player… is in the ball?



Thanks. I wanted this sport to be somewhat reminiscent of the others, but very different and interesting aswell.

I have not figured everything completely, I expect it to evolve through all the suggestions, maybe it will become very different to what the sport is right now.

THe original idea was that it would be a very dangerous and adventurous sport, focused on chasing the air-bubble wherever it goes, even if it means to go to the territories of Takea sharks or dangerous sea weed.

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What if the players rode on the backs of underwater Rahi? That would improve their mobility and help fight aggressive Rahi.

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This kind of reminded me of this topic. Maybe they could be connected somehow? idk

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Maybe? I mean, the Hydruka (as Rahi) in that pitch are pretty big compared to G1’s version, basically like the Brachiosaurs of the sea (only more deadly). I could totally see Mahri Nui having those, though.

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Yes, I could imagine some Plesiosaurs swimming around, however, I would like to keep Hydruka the same size as their G1 counterparts. Maybe add some fins to them, so they can swim better.

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Maybe the hydrukas in the other pitch could be genetically modified or somthin.

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I get that. Could be a sub-species or something, like a Hydruka and a Giant Hydruka, or something. As for fins, I could totally see that as well (not for the giant variant, but the smaller ones).

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Hey! Please, continue the suggestions.

I’ve had an idea: instead of staffs, the players would have guns that can catch the air bubble and launch it in a certain direction.

This would Greatly improve the pacing, as water movement is rather slow and it would be difficult to play with large staffs.

It would be more similar to Metru Nui’s akilini, and would be more original among arthakan sports.

Please, leave your opinions!


While that does sound really cool, I think that would stun, injure, or kill the player it comes into contact with, depending on how much force is behind it.

In real biology, the pistol shrimp can generate a powerful cavitation bubble that can do exactly the same effects I’ve listed, although the pistol shrimp can send it at blinding speeds.

What if it was balanced in a small pocket beneath the belly of the mounts in the game?

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Interesting suggestion, I have never thought that a bubble of air could kill somebody.

Your solution is interesting, but has one problem. How would other players get the bubble from the basket and take it themselves?


They could obstruct the player in possession and cause the Rahi to turn, so that the bubble begins to rise. Then, another player could catch it.


Alright, I brainstormed for a bit.

I thought of how the Hydruka would actually lolok, and I’ve come up with something between a Manta Ray and a Manatee.

I still think we should swap the staffs for the “bubble-launchers.” I do not think the bubble would travel very fast, or very far, 20 metres at best.
I don’t think it would be deadly, I believe we missunderstood each other. I wrote “gun” but I really thought of smmething like Zamor launchers.

A bubble traveling that slow would not be harmful in my opinion.

As for the rules:

Maybe when someone catches the bubble into the bubble launcher, they can only carry it for a short while, (3-5 seconds?) before they’ll have to launch it in a certain direction.

The bubble would naturally rise up, so it would be difficult to score into the goal gates at the bottom.



Regarding Hydruka Rahi’s appearance; I could see this sub-species having this anatomy, only altered to be closer to what you’re talking about.

Regarding bubble-launchers: totally agree, 100%. One question would be this: how would the bubble not break apart?

Regarding rules: I personally don’t think there should be a time limit. I think that the player that bursts the bubble should be penalized.

The goals should be halfway up, in my opinion. That would help make scoring more possible.

I like the anatomy you’ve sent.

Regarding the bubble: Yeah, well. I was wondering about that since the beginning.
I guess we could go with cartoon logic here and just let it slip, otherwise I don’t know how we can make an air-bubble stronger.

If there is no limit, what point would there be to shoot it elsewhere than directly into the gate? How would any other player have a chance to sieze the bubble? Having a time limit, all players would get a chance every 5 or so seconds to get the bubble and shoot it somewhere.

About the gate height, I agree. How about some… 50 metres from the ground? Maybe less? 30? And how wide would they be apart? Would there be only one gate?

I originaly imagined that the bubble could wander somewhere dangerous, forcing the players to chase it. (A bit like the dragon test from the Goblet of Fire, where harry leaves the arena and the dragon follows)

Maybe, so it is more chaotic, the goal-gate could randomly move, or move in large circles.

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Regarding the bubble: Maybe there’s a thick layer of Hydruka saliva preventing it from popping or bursting.

Regarding the time limit: fair point.

Regarding gate height: there could be multiple gates/hoops. There could be three hoops at different heights. The highest one (50 m) could be 1 point, the middle (30 m) could be 2, and the lowest (10 m) could be 3.

Regarding bounds: not too far, since the audience actually needs to see what’s happening.

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I haven’t been following this pitch much, but bubbles underwater wouldn’t pop at all. The surrounding water would keep it from rupturing. The only way it breaks it by reaching the surface.

If these bubbles were in air and not water, then they could be made from a more viscous material. A normal bubble has a film of water or soap which is too weak. But something thicker like a syrup or resin wouldn’t rupture as easily. Coming from an animal, it would probably be a mucous.


What about breaking into smaller bubbles?

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I don’t think bubble work like that. A bubble can split into two, but that’s from it’s membrane pinching together and sectioning off the air. A burst bubble has no way of recapturing the air as other bubbles.