Strangely,for me the hardest level was 10,because the enemies had strong movesets (Blizzard,Flamethrower,Thunder,Solar Beam...)and in this level 神奇宝贝 easily went ko.It's less difficult the level 100,in comparison with. The best is the 50 或者 40,if your 神奇宝贝 are medium-strong.
