“ Oh? Oh wait! Do I know you?”

You pause as Boothill’s servant walks up to you. Looming over your shoulder with a smirk, leaning in close to stare at you harder.

“ Why are you so awfully familiar for someone in an entirely different world than mine.”

With Gáe Bolg prominently in his hand resting on his shoulder. The same easily recognizable shit eating grin, ruby red eyes, tied back bright blue hair. He may be in a different outfit, the casual outfit making him fit more in Penacony's dream. But that's unmistakably Cú Chulainn. No guesses needed from you to know his true name. That was the same Cú Chulainn sitting in your Chaldea a universe away. Whether he was the same “Lancer” you knew though…

“ You're not my Master here in this Grail War. You seem to have no mana here but still…is the Grail giving me these memories? How…interesting. It is nice seeing your new look.”