Enemies might give you a hard time in Wuthering Waves, but they will also become great allies in the long run. Here is how to equip, use, and swap Echoes in Wuthering Waves.What are Echoes in Whitering Waves?Echoes are the transparent frequencies left by Tacet Discord enemies which you can equip and use to your advantage. By doing so, you will make use of each of this Tacet Discord’s abilities like summoning said monster or even transforming into it, gaining both offensive and defensive buffs – like healing, for example. You can hold up to five different Echoes and use them to your advantage during fights.Screenshot: PC InvasionEach of these Echoes will have an Echo Skill and Sonata Effects. If you select an Echo to occupy your main slot, then you will use said Echo’s skill during fights. Sonata Effects are bonuses that will only activate if your Echo lineup features Echoes of the same type, needing two or five matching type Echoes to activate them. Fi…