Secrets of Eternity 1st Yu-Gi-Oh Booster Pack

Secrets of Eternity, known as The Secret of Evolution (ザ・シークレット・オブ・エボリューション Za Shīkuretto obu Eboryūshon) in the OCG, is a Core Booster in the Yu-Gi-Oh! Official Card Game (OCG) and Yu-Gi-Oh! Trading Card Game (TCG). It is the third Core Booster of Series 9.

Release Date: January 16, 2015