Max your Requiem, Wretched Cold, Firestorm and Windstorm ôO
Endurance on lvl 1, Mass Snare or Wind Quake on 3 or so, because ull slow to over 100% anyway.
And Halt maybe on Stage 3, ull have +4 Skills, i think on stage 7 it will have the max. Succes rate (65%)