“Siltbreaker: Act I” was announced as a new Dota 2 multiplayer campaign — the first multiplayer campaign released by Valve, according to engadget.

In a news update, the Dota Team alerted players to this new campaign. Here is the news update, which can also be found on the Dota 2 official blog:

“A day of reckoning has arrived. A long-dormant evil stirs in Dark Reef prison, and four chosen defenders must band together on a secret mission to stop the fiendish Siltbreaker and his enthralled host of followers. To face this dire threat, all Battle Pass owners are invited to journey across vast landscapes filled with hordes of monsters and other lethal terrors in the first-ever cooperative Dota 2 Multiplayer Campaign.

Each playthrough of this campaign offers the chance to earn in-game Artifacts that can be used each time you play the campaign during the Battle Pass season. Comprised of all-new items to the Dota universe, Artifacts are mythic objects of power that can be equipped in your inventory as you progress through the challenges of the campaign.

As Act I opens, Siltbreaker awakens in the depths of Dark Reef, and the mysterious Conclave of the Brine calls upon you to halt this dark power’s ascent, starting with Siltbreaker’s twisted creation—Rhyzik the Corruptor.

As you battle through multiple play zones in search of Rhyzik, you’ll earn completion stars based on your performance level. The first time you complete a zone with one or two stars will net you Battle Points rewards, and delivering a three-star zone performance will grant a treasure from Siltbreaker himself.

Each Siltbreaker Treasure includes a chance to receive an indescribably-rare Immortal Desert Sands Baby Roshan courier, and Battle Pass owners with Battle Level 165 or higher will receive double the treasures for each three-star zone they complete with the reward bonus active. You’ll also have the opportunity to unlock achievements that grant even more Battle Points.

Can you defeat Rhyzik to earn your just rewards and set up an Act II showdown with Siltbreaker? Party up with three friends or queue-met allies to find out. Stick together and stay alert. You might just stand a fighting chance.”

In order to gain access to “Siltbreaker: Act I,” players either must have The International Battle Pass or purchase one, with level one starting off as $9.99 and level 75 costing $36.99. If a player wants to gain levels, they can purchase five levels for $2.49, 11 levels for $4.99 and 24 levels for $9.99.

The International Battle Pass is used during Dota 2‘s tournament season, with 25 percent of purchases going towards the prize pool, which stands at over $14 million currently. More information on purchasing The International Battle Pass can be found here.

Dota 2 was originally released back in 2013, where two teams of five players fight against each other to destroy their bases. It currently has a score of a 90 on Metacritic, and also has the distinction of being one of the most popular MOBAs out on the market.

One review from Eurogamer gave Dota 2 a score of a 90 when it was first released, the full review can be found here.

“All of which makes Dota 2 an absurd video game to try to recommend. Being the largest and most immediately open MOBA, with Valve showcasing its talent for rewarding and fostering a community, it demands and offers more than literally any game I can think of,” said Eurogamer. “It’s almost more comparable to basketball than most commercial games. Something utterly opaque bearing no endgame, but that could happily fill every waking second of your life.”

Dota 2 is free to play and available for download on Steam. As said before, players will have to purchase The International Battle Pass to have access to this multiplayer campaign.

Featured image via Flickr/Sergey Galyonkin