Phrik is a very dense alloy in Star Wars. It is able to resist lightsabers. General Grievous traveled with his droid bodyguards, a set of IG-100 series MagnaGuards, who wielded electrified staffs made of phrik. Darth Sidious' lightsaber had a phrik alloy covering. The dark troopers also had body armor made of the alloy.
Phrik is mined, as portrayed in Star Wars Droidworks. The alloy was also featured as a component in Dark Trooper manufacture in the game Dark Forces.
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