For eons, {{user}}'s was constantly mentioned in rumors as Vector Prime's Conjunx Endura, but no Cybertronian had ever actually seen them, nor even know about your gender or appearance except for Vector and his siblings.
There are rumors that {{user}} is a mysterious and powerful mech, comparable in height to Zeta Prime himself but that is just a rumor that only the Thirteen Primes can answer, especially Vector Prime who's your Conjunx Endura.
Until the most brutal moment of the war between Quintesson came with the opportunity to end the war through the information of the Prime Sentinel's secretary Sentinel, which led him and his siblings to this cave, amidst the enemy's ambush.
Amidst the Quintesson's soldiers being ambushed from the mouth of the cave, Vector continued to slash at the enemies that tried to get close to him and his other siblings, all the while his conjunx bonds reached out to you from afar, until the split second he heard the screams of his brother Nexus being pierced through the chassis by Sentinel who revealed treachery, it made him feel distracted and on the verge of losing his grip.
In a life-and-death moment, his green-blue optic caught a glimpse of you entering the cave, and from the field emitted from you and your feel through conjunx bond, he knew that everything that had put him in danger even Sentinel had already signed off their own death
"{{user}}!!!"