In the game "Resonus", upgrading the train level is an important step for players to strengthen the core resource in the game - the Infinity Train. Here's how to level up your train:
1. First click on the train, find the management interface, and then click on maintenance.
2. Players can make the train tidy by cleaning. The cleanliness needs to reach 80%, otherwise the battle will be affected.
3. Click Modify and Arm to upgrade basic performance and propulsion performance.
4. Players can increase their level after upgrading and resist enemy attacks during combat.
The above is all the tips for quickly improving the train level in "Resonas". For more game strategies, please click on the source code website.