https://www.youtube.com/watch?v=oAlztMvvNkk
Grade 0: 17
1 Wingal Liberator
4 Strike Liberator
4 Liberator of Hope, Epona
4 Armament Liberator, Gwydion
4 Elixir Liberator
Grade 1: 15
4 Halo Liberator, Mark
4 Little Liberator, Marron
3 Liberator, Flame Mane Stallion
2 Curved Blade Liberator, Josephus
2 Knight of Elegant Skills, Gareth
Grade 2: 11
4 Liberator of Royalty, Phallon
3 Liberator of the Flute, Escrad
2 Liberator of Silence, Gallatin
2 Blaster Blade Liberator
Grade 3: 7
3 Liberator of the Round Table, Alfred
4 Solitary Liberator, Gancelot
still testing this.