Diarmuid did say mutagen or at least something close to it. He still has problems saying new words sometimes. However, even if he does have problems with words sometimes because he is from the distant past, one thing that being from that time has help him with is being used to seeing weird things. Seeing odd creatures is an every day occurrence back in his home of Ancient Ireland.

"I do practice with swords. I am learning how to use spears too!" Diarmuid claps his hands excitedly, "Maybe this place will bring your other brother here next. I bet he would have a lot he could teach me about using swords!"

He tilts his head, thinking about Raphael's question, "I think medieval times come after my time. I am going to be a knight, but everyone says I am from the distant past. There aren't any machines or chemicals or electricity! Nothing like that!"