Emperor Gruumm has traveled into the past to recruit the villainous Zeltrax in his plan to conquer Earth before the formation of Space Patrol Delta The S.P.D. Rangers must follow and stop him, with the help of the Dino Rangers, before the wormhole closes and theyre trapped in the past. These villains forces draw from the power of past and future, striking fear into the hearts of all who face them. This expansion pack includes ZeltraxsTyrannodrones, Emperor Gruumms Krybots, and the even more dangerous Blue-HeadKrybots Features Fight against Emperor Gruumm and Zeltraxs minions Introduces two new Foot Soldier types for added replayability: Tyrannodrones and Kryots Krybots include dangerous Elite Blue-Head Krybots. Adds four new location boards. Compatible with all Guardian System Releases. Compatible with the Power Rangers Roleplaying Game.