Hi, i bought darius at release-day (mainly due to the axe) and i LOVED the giant axe swing motherf*cker
so i made a guide
that simple :D
Pretty straightforward; i take Decimate first and max it first because it your main source of damage.
At level 2 you should take Apprehend for utility reasons and only max it by level 18.
At level 3 Crippling Strike will finish off the combo. Crippling Strike should be maxed out by level 13