The Spirit Train acts as a customizable vehicle, and its 'build' is determined by the parts you equip. Different train parts offer various benefits: Cannon upgrades increase damage against enemies on the tracks, Armor upgrades reduce damage taken, and Carriages can increase cargo capacity or provide unique abilities (like the Passenger Car for specific quests). Consider your current objectives when customizing your train. If you're heading into a dangerous area, prioritize armor and cannon upgrades. If you're undertaking a trading quest, a larger cargo car might be more beneficial. Collecting all train parts and experimenting with different combinations is part of the game's depth.
