Training Grounds (previously Training Hall) is a Village building in Mercenaries, located at the bottom left area of the Village.
Training Grounds allows the player's mercenaries to gain experience (XP) passively, even if they don't bring them in a Mercenaries/Party and do bounties, or while they are not playing Hearthstone.
Training Grounds was previously announced during the Mercenaries reveal livestream and finally released in Patch 22.2.0.130051 (On January 25, 2022).
Upgrades[]
Training Grounds starts at Tier 0. Each upgrade unlocks an additional slot for the mercenary to train.
| Image | Name | Description | Gold cost |
|---|---|---|---|
| The Training Grounds - Tier 0 (Non-visible) | An empty plot of land. | 0 | |
 |
The Training Grounds - Tier 1 | A place to train your Mercenaries. | 100 |
 |
The Training Grounds - Tier 2 | A place to train your Mercenaries. | 200 |
Functionality[]
Training Grounds scene in Patch 22.2.0.130051, where Mercenaries/Balinda Stonehearth and Mercenaries/Wrathion are training
The following notes are accurate, as of Patch 23.4.0.139963:
- To start training, drag a Mercenary from the left space to an empty slot on the right. After a short countdown, the mercenary will begin to gain experience.
- The player can also use the search bar, above the list of mercenaries, or scroll down the mercenary list to look up for mercenaries they want to train.
- A training mercenary gains experience every hour, for up to 25 hours at a time. Upon completion of a training cycle, the mercenary will stop gaining experience until the "Finished" button under the mercenary portrait is clicked.
- Each training mercenary has a training bar under their portrait, which roughly indicates how long they have left in their 25 hour cycle.
- Mercenaries that have not yet reached level 30 will resume gaining experience shortly after clicking "Finished".
- It takes approximately 50 hours (2 training cycles) to get a mercenary from Level 1 to Level 30
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