Zillo Beast incident/Legends

The Zillo Beast incident on Corusant took place during the Clone Wars. After discovering the last known Zillo Beast after the Battle of Malastare,the Galactic Republic's science committe and Supreme Chancillier Palpatine both desired to study the beast's invulnerable scales to create impentrable armor for the clone army, and decided to study it on the Republic capital of Corusant. Seeing Docter Soinver Boll coudn't remove the Zillo Beast's scales without harming it, Palpatine ordered Boll to kill it. During it's execution the beast escaped and rampaged Galactic City untill it arrived at the Galactic Senate building to avenge itself on Palpatine.