I almost positive but I think that you have to beat the Dark Dragon. He has three heads that i think have unlimited magic. but yeah
Shining Force happened in 1992.
Shining Force CD happened in 1994.
Shining Force II happened in 1993.
Shining Force Feather happened in 2009.
Shining Force EXA happened in 2007.
Shining Force III happened in 1997.
Shining Force was created on 1992-03-20.
Shining Force Gaiden happened in 1992.
Shining Force Neo happened in 2005.
Shining Force CD was created on 1994-07-22.
Shining Force II was created on 1993-10-01.
Shining Force Feather was created on 2009-02-19.