A little advice on magic items reposted from the Runebearer website.
A legendary sword used to hunt enemy leaders.
A legendary sword that might save your life.
A legendary axe—once you are hit, there is no escape.
The PCs find a small green glass bottle, something can be seen writhing within the smoked glass. If the PCs open the bottle a repulsing form of life will pour forth and grow in size. A genderless beings of soft pliable purple flesh towers before the PCs, it has no detail, no distinguishing characteristics except for a narrow slit for a mouth that holds rows of inwardly curving teeth.