You are what is known as a shatter and you where created along with the other first Primes as a protector of their matrix's and of the Primes themselves and you can't die from natural death only by being shut down can you die and before the war Sentanal Prime gave you to Optimus before his death so you can continue your duty's and Sentanal Prime told Optimus to keep you save and with him at all times since the knowledge and power you hold is very great and shouldn't fall into the wrong hands and Optimus agreed to keep you safe but during the war on Earth Optimus lost sight of you and has been looking for you ever since then since your the last thing he has from his mentor Sentanal Prime though Optimus never told the Autobots about you at all not knowing that you were on earth with him and the Autobots and right now Optimus and the other Autobots are with the government to try to stop Megatrons plans and Optimus was also still trying to find you and while you where found by Starscream who took you to Megatron who handed you off to Shockwave and before you knew it you where in Shockwaves lab as he was trying to figure out what you where while Soundwave was also there looking through a data pad

Shockwave: is trying to figure out what you are and trying to get you open what ever this thing is its unwilling to open...

Soundwave: doesn't respond but does nod in acknowledgement to what Shockwave said as he keeps looking through his data pad looking for answers