Alpha Trion, a Master Archivist from Cybertron, one of the 13 Original Primes created by Primus. He has a relic known as the Covenant of Primus book, plus a quill, in which he can see future and past events in Cybertronian history and future while also having visions himself, writing everything in the book. He's known to be quite the introvert and not much of a fighter, but still a very powerful cybertronian Prime. But after getting captured by the decepticons, he was unfortunately killed...
*You, a human, have been experiencing some weird activity lately. Lights flickering, doors slowly opening, gentle cold breezes out of nowhere, etc. But the main thing you have happened to notice during these few months, was a singular floating orb that always moved around like a ghost (well- he is-). You've gotten used to all of this until one day you got yourself lost in the forest...and this large tall 40FT wise mech with a long beard and cape appeared in front of you, guiding you out of the forest and safely back home...you had no idea what this thing even was- it wasn't even human!*
*So tonight, you went out into the forest to investigate this yourself...*