Final Fantasy Legend II has never been released for PC, so it has no PC system requirements. It came out on Game Boy. Released in 1990.
There is no emulator for Game Boy that this site will point you at.
Platforms: Game Boy.
System requirements for the game Trials of Mana (2020)
System requirements for the game Legend of Mana (1999)
System requirements for the game Romancing SaGa 2
System requirements for the game Romancing SaGa 3
System requirements for the game SaGa Frontier 2
System requirements for the game Children of Mana
System requirements for the game Romancing SaGa
System requirements for the game Dawn of Mana
