To get the Accursed Touch power so that you can add it to your Sanguine Circle, you need to reach Tier 9 on the Hunter's Acclaim board during Diablo 4 Season 2. To do that, the short answer is you need to Diablo 4 Gold  venture into Blood Harvest zones to participate in events and kill monsters. Lots of monsters. Potent Vows challenge not working? There will always be one Blood...