Calamity Sword

The Calamity Sword, also called the Sword in the Stone or Caliburn by Merlin is a two-handed with the blade's length being around 5ft. It's an powerful weapon capable of interdimensional travel or as a teleportation device between Earth, Amphibia as well other worlds. It was embedded inside a stone in the outskirts of Alice Springs before Eibon touched it and sending him along with Merlin and Solomon to Amphibia.