The episode serves as a high-stakes conclusion to Part 1 of the final season, focusing on the transformation of Sebastian Sanger into the titular villain and a major evolution for Rachel Roth.
: Joshua Orpin’s portrayal of Conner Kent takes a dark turn as he embraces his Lex Luthor heritage, even shaving his head. While this provided interesting conflict, some viewers found his "cold" and "ruthless" new persona to be a jarring departure from his established character. The episode serves as a high-stakes conclusion to
: The episode is marked by heavy losses for the team. Jinx is seemingly killed by Mother Mayhem during the final confrontation, a move that left many fans disappointed given her popularity during the season. : The episode is marked by heavy losses for the team
Reviewers generally viewed " Brother Blood " as a solid, action-packed finale that successfully tied together the season's slow-burn plot threads. While some critics praised the character developments and visual upgrades, others felt certain plot points, like Conner's sudden personality shift, were abrupt or "out of left field". While some critics praised the character developments and