Ad blocking on android

I would like to pirate on my phone sometimes and the ads on websites are problem. I'm not newbie, I know I can install firefox and get the uBlock on it but firefox android is a little bit slow so I prefer to use Opera browser; opera has an ad blocker but it's a joke compared to uBlock. I'm in a restricted country and my phone is not rooted, so if I use ad block apps like AdAway or Adgaurd they need to create a VPN connection in order to function unless the phone is rooted, and that VPN connection doesn't let me to enable another VPN in order to visit filtered websites or apps.

I'm not stuck, but felt if I ask here there may be another smart solution for ad blocking on android that can solve these small problems; and the solution would help other people so be kind and provide what you have.