"Sacrificial Cauldron" is location in Borderlands 2
Location[edit]
The Sacrificial Cauldron is found in Lavashore Village
Usage[edit]
To get a chest from the Sacrificial Cauldron you need to throw in a Weapon, A Shield Mod and a Grenade Mod.
It does not appear that rarity influences what will come on out of the Cauldron.