Bionicle is owned by Lego, I make only the storyline.
BTW the Piraka names are...

Zaktan (The Snake, Green)
Hakaan (The Bully, Red)
Avak (The Trigger, Brown)
Thok (The Drifter, White)
Reidak (The Tracer, Black)
Vezok (The Beast, Blue)
Vezon (Ex-Piraka, Silver)

"I wanna go!"
"Push off Avak, it's my go on Tomb Robber!"
"You've been on it ages!"
"Shaddap, you piece of Rahkshi crap!"
Thok opened a glowing red eye, slowly rolling it and himself into a comfier position on the sofa. He had just started to drift back to sleep, when...
"You three, move it! TV's on!"
Avak jumped from his position, before being caught by Hakaan and flung into a nearby wall...
"Why, whatchu gonna do Zaktan?!"
Their leader, Zaktan was a fair person. If you didn't get in his way, he didn't kill you. He and Hakaan had a long standing rivalry, something they kept up if even if on the same landmass. Zaktan pushed his tribal face in line with Hakann's, his pearl white teeth baring at his fellow Piraka while growling menacingly...
"This is what I'm gonna do..."
In one swift move he had switched to his clawed weapon, grabbed Hakaan and head-butted him...
"...and that's what I just did..."
Hakaan tumbled backwards, stars spinning round his head. Avak laughed his melon shaped head off, Zaktan shot a growl in his direction...
"What're you laughin' at, stones for brains?"
Avak crammed a fist into his mouth to stop himself laughing; a small squeak was all that was heard next. Zaktan turned his attention to Thok, who was now buried under a mass of duvets. He scanned the lump that took up the whole sofa, finding a stray spine poking out near the bottom of the pile. He grabbed it, tugging sharply and throwing Thok across the floor. He connected chin first, the duvet landing atop him. Zaktan stretched as he turned the TV over to a random channel, leaving Thok to walk around their base of operations with Avak and Hakaan. They found themselves in the computer room, along with Reidak and Vezok...
"What're you two doing here?"
"Mean Green kicked us outta the gym..."
"...cos he's a pile of Rahi crap..."
Hakaan huffed, his lava red hue gleaming in the dim light that filtered in through the boarded up windows. He growled as he walked over to a random computer, belting the keyboard with a random flurry of fingers...
"Bah, what is there to do...?"
They sat in random chairs, glaring at each other (Avak was busy spinning on his, so no-one took any notice) as if it was the person opposite's fault. Suddenly the lights went out, there was a sharp thud as Avak fell off his chair and a small squeal from somewhere. The lights came on to reveal a glowing blue portal, and Hakaan trembling in Vezok's arms. He looked around at the hysterical faces, until he came back to Vezok. He was greeted by a murderous growl, before being dropped and stamped over by the ocean blue Piraka. Avak picked himself up and walked over to the portal, admiring it with geeky awe...
"Wonder where this goes?"
His thoughts were interrupted by Reidak dropkicking him into the swirling vortex, taking his time to pose for the remaining Piraka. Vezok and Hakaan nodded to each other, clothes-lining the black tinted brute through the exact same way as Avak. They laughed until they caught each others eyes, laughter mutating into growls of ferocity. They grappled, kicked, bit, punched and used many other beastly attacks until they both collapsed to the floor, exhausted. Two darts were fired from Thok's weapon, freezing their bodies instantly. Thok casually kicked the frozen bodies into the portal, following close behind them...