Techno was originally a Toa of Iron. He lost most of his body in the Toa/Dark Hunter War. Fortunately for him, Artakha was there and he rebuilt Techno, giving him new armor, mask, body and element power. He and the Toa Eldin are on Bara Magna. The Toa Eldin were battling the Dark Toa. The Toa Eldin were lucky that Whonua unleashed a massive Earth Nova Blast destroying all the Dark Toa. The Toa Eldin were injured and needed to recover but thanks to Techno and the Glatorians and Agori they helped defend, they were able to find shelter to recover from their injuries.
Techno wields a machine gun arm on his left and a regular arm with a shield on his right. He also has a jet pack on the back which gives him flight. He wears the Kanohi Mask of Forewarn. The Kanohi allows the user to have a sense of danger 30 seconds before it happens. It's basically spider-senses.
I was inspired to make Techno after watching Eyeshield 21. I saw the way the football players looked and thought why not make a Toa that's like that.
Quoting AMT Guardian of Earth
awesome toa figure. did you take apart all your dark toa and whonua cause in the backstory you said you killed them, i hope not cause i liked all of them.
i did take the dark toa apart but i decided that their spirits were so powerful that they fused into 4 new dark toa. Whonua and the other Toa Eldin were given some new weapons and new design mostly around the waist.