Cross Product

Cross Product is the indicator exclusive to Cross Monsters that tells what the product of the levels of the monsters used in the Cross Summon must equal in order to summon that monster.

The Cross Product of a monster is located in it's Card Description Box but it not an effect. It is always marked with a  ●.

Trivia

 * While the upward value of a Cross Product is potentially unlimited, the lowest possible value for a Cross Product is 2.