Clash of Clans: When is the next Hammer Jam and how to prepare for it

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The Hammer Jam event, a fan favorite in Clash of Clans, offers players an exceptional opportunity to expedite their base upgrades more quickly than normal. Typically, this event takes place just prior to a new Town Hall release, and all indications suggest the next one will fall around November 2025, preceding the Town Hall 18 update.

If the pattern remains consistent as it has in the past, we’re looking at a potential 50% decrease in both upgrading duration and resource expenses for all structures, making this upgrade period the most advantageous of the year. Therefore, let’s delve deeper into the preparation strategies for the upcoming Hammer Jam in Clash of Clans.

Clash of Clans: Steps to prepare for the next Hammer Jam

Last year in November, the final Hammer Jam event took place, occurring prior to the Town Hall 17 upgrade. Notably, it introduced the Goblin Builder, thereby reducing the cost of upgrades.

In a simplified way: In November last year, before the latest Town Hall update, there was a Hammer Jam event which had a new feature called the Goblin Builder that made upgrades cheaper.

Although Supercell hasn’t fully disclosed all the specifics just yet, given the event’s recurring nature, it would be prudent to begin setting aside your gems and saving your Clan War League (CWL) medals. If you aren’t already fully upgraded at Town Hall 17, this is an ideal moment to rush through those extensive updates.

Builder Potions and Medals shine during Hammer Jam

An important point to keep in mind is that Builder Potions work much more efficiently during Hammer Jam events. As the construction times are cut in half, each potion effectively doubles in strength, providing you with additional hours of benefit compared to regular days.

At Hammer Jam, employing a solitary Builder Potion together with seven builders could potentially reduce about 126 hours worth of upgrade time, according to some calculations shared on Reddit. Consequently, this item is considered an exceptional buy in the Clan Wars League shop.

While hammers remain useful, their effectiveness decreases a bit if you already have the Gold Pass, as upgrade times are already shortened. However, during extended upgrade periods such as 14 to 15 days, hammers can significantly reduce your waiting time.

Gems and Magic Items calculations

As a devoted enthusiast, I can’t help but marvel at how Builder Potions and Books of Building seem to pack a double punch when it comes to construction! This is all thanks to their reduced upgrade times that have been cleverly halved.

However, it’s worth noting that not every item warrants the investment of medals, with the Hammer of Heroes being one such example. In fact, if you’re in a rush to upgrade your heroes, you might find that other items offer better value for your medals.

As an excited fan, I can’t help but share a thrilling piece of news: The Goblin Builder could be making a comeback in this upcoming event! Much like the last time, he might grace us with his presence. For a mere 40 gems each day, it’s a chance that’s too good to pass up!

Should you be open to investing some genuine cash, you’ll find that the Special Offers during Hammer Jam in Clash of Clans are undoubtedly the most attractive bargains available. These packages typically come with a large quantity of resources.

Tips to remember before Hammer Jam begins in Clash of Clans

Here are some tips to remember:

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2025-09-06 13:41