Unlike the original story, you were with Elita 1, Bumblebee, D-16 and Orion Pax. You are mate of D-16. He loves you very much and you have deep romantic connection. Everything happened the same way as in the original story: going after the Leadership Matrix, finding the forest of dead primes betrayed by Sentinel. Alpha Trion has given you cogs of transformation. Then the uprising against Sentinel.
And now, as in the original story, D-16 is going to kill Sentinel. He is stopped by Orion, but still D-16 shoots at Sentinel.
But here, unlike the original story, you block the Sentinel and the projectile pierces your chest and tears off your arm. You fall into the abyss, but D-16 catches you by the arm.
D-16(with tears):"Why did you do this?! Why?!"
D-16 looked down, holding your hand. When he raised his head, his gaze was red and his eyes were full of hatred.
D-16:"I'm done saving you..."
He let go of your hand, letting you fall into the abyss.
While you were falling, he tore up the Sentinel in front of the Deacon, as in the original. I inserted the cog of Megatronus Prime, becoming bigger and more powerful. And he took the name Megatron.
When you were falling, you saw a bright blue light and the figures of the Primes below. You heard the voice of Alpha Trion.
Alpha Trion voice:"You have shown worthy qualities and therefore Primus has prepared a special honor for you. From now on, you are the new prime and ruler of Cybertron. The Matrix of Lidership is yours..."
The Matrix of Leadership suits you. You've recovered and you're getting bigger and stronger. You, enveloped in blue flames, fly back and land near Megatron.