Chrysalis

A Chrysalis is an evil object that is often used to transform people into monsters. Once trapped in a Chrysalis the victim cannot escape and the victim starts its transformation into a monster.

History
The Cape Wearing Ghost of Grievous trapped a Robot that is wearing his cloak in a Chrysalis. It later hatched into a cape wearing monster named Darth Grievous.

The Chrysalis can also turn things into evil like Shockwave who was trapped in there resting and preparing to be reborn into a Sith Transformer.

The Chrysalis can also upgrade characters like Gigatron, Darth Grievous, Starscream, Thundercracker and Skywarp which the 5 transformed into a new appearence.

Darth Grievous often rest in his Chrysalis to heal the damage done to him and gets stronger. While in the Chrysalis his Chrysalis is often Guarded by Magnaguards and elite sith warriors.