You only need venture into the D&D boards and the answers stare you in the face.
In the meantime I'm binding more people to my summoning portal, you're already a part of it, I plan to summon a large group of people all at once. The repercussions will be colossal.
due to the fact that I'm a lich, my physical form is not my true form. if I were to be destroyed, for instance, it would be remade on my phylactry over a couple of days.
It's simple then, I wish for you to be destroyed then resummoned where I use the parchment, that way I just wish for your physical form to be destroyed whenever I need to resummon you.
I guess I could just do it in such a way where it doesn't forcefully summon you, but instead sends a psionic signal to you that sends the global and planar co-ordinates of the location allowing you to teleport on your own accord.
255 different -explain accounts and you have chosen me three times already. I have to ask, what is it that you're trying to accomplish? Though I'd be lying if I said I wasn't glad someone thought of me.