Train Attack is one of the Global Map events. At this location, you need to save people who traveled by train from bandits. And, of course, get some great loot for the help!
Once you enter the location, you will receive the ‘Important mail’ quest. Follow it, kill the bandits, and open up chests with loot!
⚠️Take note: you can stumble upon Alliance resources at this location! Makes it all even more interesting and beneficial, doesn’t it?
Train Attack location is huge, and you can take advantage of its landscape features. For example, you can kite enemies around or sneakily deal critical damage to them from behind.