A dagger with a thirst for blood… but only a little at a time.
This staff is equally powerful the the staff of Leviadan. The differences are that it is an evil craft, those who are not already evil shall be currupted should the staff stay in the possesion of good men to long. The trait that gave it it’s name is that it gives you "TEMPORARY" controle over the minds of dragons and griffins.
The Heart that beats slowly in the dark.
In the depths of a forgotten dungeon lies a staff containing immense power - and a cold, calculating mind, seeking to rule the cosmos…
The PCs are sent with a diplomat to another country to protect him and do his bidding. There may be some espionage, rescuing, downright bullying, etc. Could make a nice medieval, special operations background.