[It's shocking, he feels the air of dominance, but Jekyll accepts it. He knows this is how it should be, this is more than he deserves even. At least he has a chance to atone, even if their relationship can never be the same.]

It is a matter I must research thoroughly. There are ways to transfer already existing Command Spells to another, but it is Tatsumi who holds mine, not Hikaru. In a sense they are a part of me, though granted by the Grail, therefore I believe it should be possible to create them. Perhaps at a great cost, perhaps through using a piece of my own soul. But I will do it, if it is indeed something you would like. I shall speak with the magi here, both of my world and others, to see what can be done.