Upgrade Rush!

Attention, fighters! A new event has begun - Upgrade Rush! Come to the pumping shop as soon as possible Just Now: 1. The cost of upgrading any module to level 15 has been reduced to a symbolic 5 Gold 2. The time required to upgrade modules to level 15 has been significantly reduced No more waiting for hours or spending tons of game currency – just 5 Gold, and your module is upgraded and ready for new achievements!