Writing the letter, he makes sure it comes off as urgent.
"
Jarkkos, you need to come to my office. There is something very important I need you to do. If you can do it, I will teach you a secret technique that will allow you to do amazing things. Come to my office immediately.
"
He then has a small wolf pup go deliver him the letter. The puppy looked like it's fur was flame, but didn't burn to the touch. He was frikken adorable.
Gekido then sat back, and waited for Jarkkos to come to his office. He figured that learning a secret technique was enough to lure anyone around.