Impossible

1 Impossible (2013)
2 Savior (2013)
3 Rogue (2014)
4 Knight (2013)
5 Mentor (2014)
6 Master (2014)
7 King (2014)
7.5 A Decadent Christmas (2014)
8 Czar (2014)
9 Crusader (2015)
9.5 Prey (2015)
10 Highlander (2015)
11 Centurion (2016)
Decadent Knights (2016)
12 Dex (2016)
13 Hero (2016)
Wedding Knight (2016)
Valentines at Dusk (2017)