On the March 4, 2020, episode ofDynamite, Pac formed an alliance with the Lucha Brothers, naming themselves Death Triangle after attackingOrange Cassidy,Chuck Taylor, andTrent.[4] Shortly thereafter, Pac became inactive due toCOVID-19 travel restrictions,[5] while the Lucha Brothers aligned withEddie Kingston and his stable. Pac returned to AEW television on the November 11, 2020, episode ofDynamite, confronting Kingston.[6] The following week, Death Triangle reunited after the Lucha Brothers assisted Pac during an attack by Kingston,The Butcher, and The Blade.[7]
Following Fenix’s injury, Penta El Zero Miedo adopted the "Penta Oscuro" persona and ring name.[13][14] At theRevolution pre-show on March 6, Pac, Penta Oscuro, andErick Redbeard were defeated by theHouse of Black in a six-man tag team match.[15] Fenix returned on the April 27 episode ofDynamite, disguised as Alex Abrahantes, and assisted Pac and Penta Oscuro in attacking the House of Black.[16] AtDouble or Nothing on May 29, Death Triangle lost to the House of Black after interference fromJulia Hart.[17]
AtForbidden Door on June 26, Pac won a four-way match to become the inauguralAEW All-Atlantic Champion. Death Triangle subsequently entered the tournament to crown the inauguralAEW World Trios Champions but were eliminated in the first round byUnited Empire (Will Ospreay,Mark Davis, andKyle Fletcher). After the Trios Championship was vacated, Death Triangle defeatedBest Friends (Chuck Taylor, Trent Beretta, and Orange Cassidy) on the September 7 episode ofDynamite to win the vacant titles, making Pac a double champion.[18] They held the championship until January 11, 2023, when they lost them toThe Elite (Kenny Omega, and The Young Bucks) in a ladder match that concluded aBest of Seven Series.
After a brief hiatus, Pac returned on the March 6, 2024, episode ofCollision, assisting Eddie Kingston and the Lucha Brothers during an attack by The Elite (The Young Bucks, andKazuchika Okada). On March 13 atBig Business, Pac, Penta El Zero Miedo, and Kingston were defeated by The Elite.[19] AtDouble or Nothing on May 26, Death Triangle unsuccessfully challenged theBang Bang Gang (Jay White,Austin Gunn, andColten Gunn) for both the AEW World Trios Championship and theROH World Six-Man Tag Team Championship.[20] Following the event, Death Triangle quietly disbanded, with Pac joiningDeath Riders, while the Lucha Brothers subsequently departed AEW.[21][22]