https://www.youtube.com/watch?v=Cnr1kOUn_20&ab_channel=Veli
If you see the timestamp is from 15/10/2014 last days of MOP expansion.
Once again, im talking for PVE, not PVP. Some things and item combinations are not working/allowed in PVP. I dont know if darkwater+nitro boost was a legit combination for PVP.