The only way to break enthrallment is with a ritual and a normal human acting as a conduit. There was also a time when I had to fight the Garuda that everyone had a little of my blood in them so I could channel more strength and power from them to fight. But Kenzi's blood was used to break the connection.
Basically, it's not easy to break enthrallment, and either involves more blood from a human or a human acting as a conduit to break the enthrallment. Of course, only Trick could actually elaborate on that fact. And he only elaborated on it when it became absolutely necessary to. Which frustrates me, but also makes sense when Trick could literally write something in his blood and it would come true. So. Just be glad my blood only enthralls people to me. I could write a future of my own creation in my blood and it would happen, but at some terrible cost.