Its sad what reactionary nerfing does for the greater population... here you have a small portion of the gaming population triumph over Turn 5 using key skills, then those skills get nerfed to hell leading to an even smaller, more lucky, portion of the population beating Turn 5.
I'm just waiting on a nerf to Turns 1-5. 1-4 is enough for me to have fun with, but 5 is too OP, and grossly unbalanced with very few fun, and working mechanics among many more stupid ones.
Its a better strategy to wait for Turns 6-10 to be released THEN go for Turns 1-5. Gives SE time to figure out what the hell they're doing, since they quite obviously don't in terms of working mechanics, accessibility and difficulty - which is easily proven with 2.1's content.