ANONYMOUS WAS BORED:
The behemoth's blow erupted from the haze of its newly finished transformation and hammered against Unicron, driving the dark god back in an impossible impact of not just force, but power. The power of Primus, and something... else.
"How? How can pathetic beings like you stand against me?!" he bellowed towards this titan able to match him not just for power, but size.
"Don't underestimate us!" a youthful voice, full of fire, snapped back in reply.
"It will be your last mistake, Unicron," an ancient voice, somber and resolute, added. "There are powers we ' pathetic beings ' grasp that you'll never understand. And they're why we will win."
"A heart burning like a newborn star, lighting the way with the power of life!"
"A soul as ancient as the cosmos, finding a path with the wisdom of ages."
"A mind on fire, ever pushing towards tomorrow!'
"A body of steel, standing against whatever may fight against us."
"The union of ways, entwining together with the power of the Spiral...!"
"...and smiled upon by Primus himself."
The two voices rose as one. "Optimal Gattai! Chouginga Gurren-Lagann!"
"Who the hell..." Simon the Digger began.
"...do you think we are?!" Optimus Prime finished.