There might be no limit on how many Echoes players can farm in Wuthering Waves. However, having a long list of repetitive and useless creatures is not on any fans wish list. Luckily, theres an invaluable option in Wuthering Waves that lets players farm Echoes without cluttering their Data Bank: Data Merge. Using this fusion tool, players can combine Echoes to create new ones with possibly better stats. Heres a comprehensive guide to making the most of Data Merge.