Skill Lag

Been having on and off skill lag for the past few months. It's becoming madding and costing me Ranked Spvp matches!

I don't know if there is anything I can do on my end to get some consistency? One minute, my skills take 1/2 - 1 second to activate, then a min later things are back to normal

My connection is fairly good, staying around 65-100ms

At first I thought it was just Spvp servers, but it happens in open world Spvp as well.

I've uploaded a video showing an example of the inconsistency.