Players may find out the existence and other information of such migration through talking with NPCs so that they may follow them and hunt them or avoid meeting them if those monsters are very strong.

玩家可以通过和NPC交谈得知关于迁徙的情报，从而去猎杀它们或者避免遭遇这些怪物如果这些怪物很强大。

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There are ways to avoid and eliminate monsters utilizing as little ammo as possible.

FORBES: PAX East Impressions: Metro: Last Light