Kovo's Trap was a trap created to destroy the Wyrm. It consisted of two bell towers that, when rung, would reverse the magnetic poles of Erdas and disorient the Wyrm, allowing it to be struck down in some manner. It was used in The Burning Tide, where both bells were rung and the spirit animal bonds were reversed. It became jammed the first time the characters attempted to use it, due to it being unused for centuries, however it eventually worked. Zerif, who bonded to the Wyrm, was able to gain control over it and sacrifice himself, which destroyed both him and the Wyrm.