Ora Dagger
From WikiRaider
The Ora Dagger is one of the crystal artefacts in Tomb Raider 3. It was fashioned from a meteorite by Polynesians, that impacted upon Antartica many years ago.
Taken from Antartica by one of the sailors from the HMS Beagle to North America, it somehow was obtained by the U.S. Government, and it resided in Area 51 before Lara stole it.
The individual powers of the Ora Dagger are unknown