In the initial version of the amulet, when the amber was broken, the insect trapped inside burst out, sprang to life, and grew larger as though the spell giant vermin had been cast upon it. A later version could be reused once a day, with the insect being summoned and vanishing after one minute.
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Sean K. Reynolds, Duane Maxwell, Angel McCoy (August 2001). Magic of Faerûn. (Wizards of the Coast), p. 151. ISBN 0-7869-1964-7.
- ↑ 2.0 2.1 2.2 2.3 2.4 Andy Collins, Eytan Bernstein, Frank Brunner, Owen K. C. Stephens, John Snead (March 2007). Magic Item Compendium. (Wizards of the Coast), p. 68. ISBN 978-0-7869-4345-6.