A winter-time holiday has arisen in the Eastern Caverns around the mysterious “Giver,” who makes an annual visit to deliver slugs to the people of the East. But when a group of thieves make off with the Giver's precious cargo of slugs, our heroes must ride to the rescue-and discover the secret of who the Giver really is.
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Eli Shane is determined to be the greatest Slugslinging hero of all. But in order to defeat the forces of evil, he must collect, train and duel with little critters called slugs, which transform into powerful magical beasts. Eli and his crew explore the caverns, challenge rivals and one another to friendly duels, and upgrade their gear in their underground world. But there is a threat to Eli and the slugs -- Dr. Blakk wants to transform the slugs into feral mindless weapons. No one has been able to stand up to Blakk's army of henchmen ... until now.