[1] The video for "How Long", which was filmed in Malibu, features scenes of Davido arriving to the beach on a motorcycle and Tinashe on a white horse.

[2] In the Afrobeats-infused trap song "Coolest Kid in Africa", Davido exchanges bars with rapper Nasty C and boasts about not knowing how to save money.

[2][1] The highlife track "Return" focuses on themes of love and begins with an earnest admission about Davido's relationship with an unnamed woman.

Chiagoziem of Filter Free Nigeria said listeners who see the EP as a "collection of strategically-placed songs" would appreciate it more than those who see Davido as "one of a few African artists that record labels are telling the world could become the future of music".

[2] A writer for Pulse Nigeria awarded Son of Mercy 3.5 stars out of 5, describing it as a balanced project that is "somewhere between experimental and familiar, but weirdly satisfying".

[4] OkayAfrica's Sabo Kpade said Simi's voice on "Maga 2 Mugu" is void of "presence despite being pleasant", and criticized "Return" for lacking "a clean thematic consistency".