[5] The second single, "Wandered to LA", a collaboration with Canadian singer Justin Bieber, was released on December 3, 2021,[6] the song peaked at number 49 on the Billboard Hot 100.

A few special guests appeared to perform and pay respect to Juice, including Ski Mask the Slump God, Trippie Redd, 24kGoldn, and Lucki.

[17] Reviewing the album for HipHopDX, Mackenzie Cummings-Grady stated, "Fighting Demons embodies Juice Wrld in that way: a flawed project with moments of brilliance that feels uncomfortable to listen to but isn't ashamed of its naked humanity.

[16] Fred Thomas of AllMusic said, "Themes of struggling to overcome depression and drug dependency surface often on Fighting Demons, making it a heavier collection than the sometimes celebratory memoriam of Legends Never Die.

[14] Rolling Stone critic Will Dukes said, "Fighting Demons, his second posthumous album is a tortured but overall grateful memento mori from a talented artist who left us all too soon".

[20] In a lukewarm review, Clash's Robin Murray wrote, "Ultimately Fighting Demons works almost as a tribute record, gathering fragments of his undoubted genius.