The Ancient Remnant Is a desert boss in The Mod Cataclysm, It is a large skeletal dinosaur found at the bottom of the Pyramid Dungeon. This Dungeon can be found in vanilla desert biomes. It is found in a large open chamber at the bottom of the structure where you will find two additional mini bosses you have to beat before awakening the ancient remnant. Their article can be found under Koboletons. It has 400 health, and several attacks including tail swipes, dust devils, and tombstones that act as anvils.
When defeated, It drops its skull, which can be used as a summoning egg to summon a small remnant pet that can be tamed with a sniffer egg, and a useful item called The Necklace Of The Desert.
Remnant Pet
The Koboletons are its minions.