Knuckle Cracker Wiki

The ERN Portal is used to upgrade up to 6 capabilities in 3 main areas - production, speed and weapons. Each upgrade needs a free ERN Crystal. Upgrades need some time to fully power up, and can be deactivated at any time to release the ERN Crystal.

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Releasing or re-assigning an ERN will reset any power up progress.

List of ERN portal upgrades:

• Energy Collection - Improves energy generation of Towers and Miners.
• Mine Production - Improves resource generation of Redon, Bluite and Greenar.
• Build Speed - Makes units build faster.
• Move Speed - Makes units move faster.
• Fire Range - Makes units shoot further.
• Fire Rate - Makes units shoot faster.

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