Bandai Namco US on Twitter: "KNIGHTS! The second #BlackClover #QuartetKnights Beta test period is upon you! Download the client early on 8/15 on #PS4 and start testing the 4v4 multiplayer experience with
Black Clover: Quartet Knights | Gameplay Walkthrough Part 2 - LUCK VOLTIA IS BROKEN! (PS4 Pro BETA) - YouTube
Black Clover: Phantom Knights Launches Open Beta For Android! - GamerBraves
Black Clover: Quartet Knights Review (PS4)
BANDAI NAMCO EUROPE on Twitter: "Open your grimoire and ready your spells! An Open Beta for BLACK CLOVER QUARTET KNIGHTS will start on PS4 from August 17th at 09:00 to August 20th
More Black Clover Quartet Knights Characters Get Their Own Trailers
Closed Beta for BLACK CLOVER: Quartet Knights on July 15th and 16th | Bandai Namco Europe
Black Clover: Quartet Knights PS4 Open Beta Dated - Video Games Blogger