Xiamou (T-Elos): Nittou Togeyoroihirame > Suzato Namimori no Kata > Kimonfuuji Hatenkou > Xiamou Magic > Hakkin Tatsumaki no Kata
KOS-MOS (Kyon Feulion): G-Shot > S-Sault > Thunder Sword > Dragon Tooth > X-Buster
Never had a problem with heavy enemies. I'll do the others if I feel like it.