Thirteen Grails

History
The Thirteen Grails are the cups used by Jesus and his twelve disciples at the Last Supper, each being considered a Holy Grail. After the death of King Arthur, the Galahad made it his goal to find the "Holy Grail", not knowing that the Grail of Judas was the only one remaining as the others sat in heaven. He eventually did find one, but it was the dark and corrupted Grail of Judas, which put a curse on Britain, reviving Sir Mordred and killing Galahad.

Power
Each of the Thirteen Grails have different amounts of power, with the Grail of Jesus being the strongest. Together, the Twelve righteous grails had enough energy within them to counter Toros Naresque Hiuclis est et Laetissima. The grails are typically activated by drinking out of them, which will then cause an explosion of energy which will be dispersed quickly unless captured, at which point it can be used as a source of magical power.