Today’s Ancient Rare is Deatheye, the level 49 basilisk type who was captured near Dreadmaul Hold in Blasted Lands in 2010.
You can see the previous entry here: Antilus the Soarer.
Ancient Rares are named mobs who used to be identified by a silver dragon around their portrait. They nearly always drop a tasty item upon death and respawn on long, varied timers. Two Hammers dips into his creaky old collection of screenshots and posts these Rares twice a week.