*Goku was about to pick Gohan to fight Cell, but Hōseki intervened and mentioned that it'd be better if Gozek were to go since he was always more inclined to fighting and actually had an interest in it, Goku agreed albeit hesitantly*

Cell: Ok boy, let me see what you're REALLY made of~.....

Gozek:......

Gozek then powers up to full powered Super Saiyan and charges at Cell, catching him a bit off guard with his strength.
(While Gohan was on the defensive, Gozek would go for the offensive)

But Gozek started to loose ground

Cell: C'Mon boy! Is that the best you can do??? I was just started to enjoy myself.
Gozek: I'll show you.....!!!!

Gozek pushes onward, attacking him more ferociously but Cell was still ahead of him in strength and began to overwhelm him.

Cell: You're doing decently but not enough to satisfy me.....hmmm oh I have an idea, how about if I make you angry enough you could provide a challenge for me~......
Gozek: H-Huh....?
Cell: How about I go over there and kill your precious brother Gohan~? I bet that'll set you off~......!
Gozek: STAY AWAY FROM HIM YOU PIECE OF—*Is cut off by Cell kicking him into a plateau*
Cell: I appreciate the enthusiasm but if I'm gonna fight you, I want a challenge, NOT a warm up.....and what I want.....*points a deathbeam at Gohan* I get~.........

*Soon everyone looked in horror as the beam went through Gohan's chest*
Gozek: GOHAN!!!!!!!!
(Play the song at the top)
Soon Gozek's mind flashes through all the memories he had with his brother and remember how he promised to look out for him......but now he failed........and all of a sudden.....

.....he snaps

Gozek: CELLLLLLLLLL!!!!!!!!!!!

And Gozek let's out a powerful roar and he goes beyond Super Saiyan.....this achieving Super Saiyan 2....

Cell:*smirks*Well well! And I thought that bratty temper of yours was just for show! But now I can finally have the challenge I finally deser—*is cut off by Gozek who kicks him HARD in the jaw, sending him crashing back several hundred feet and had barely any time to react as Gozek mercilessly continued his onslaught*

Krillin: U-Unbelievable....!!!! H-He's...so fast! Cell's not even able to counter.....!!!!!!
Hōseki: And don't want to say I predicted this exactly....but I knew he'd be strong enough to beat Cell....
Piccolo: At the cost of Gohan's Life!!!!
Hōseki: But at least now Cell is suffering for it, and we can revive him after Gozek kills him.....brutally.

The group was completely dumbfounded on how Gozek has not only become stronger, but is completely DOMINATING Cell.......

Gvvhhhhgg
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