When obtaining the Volatile Rounds buff for void weapons Wavesplitter is not gaining Anti Barrier anymore. It used to gain this functionality and I am not sure if it is a bug or not. I used Commemoration and Ros Arago IV and they both gained Anti Barrier after getting Volatile Rounds. This happened when using Gyrfalcon's Hauberk on Hunter and Echo of Instability on void Titan.
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It has natural suppression effects(overload). You can not stack anti-champion effects together