Penes

Level 2: STR and QCK
Level 3: STR
Level 4: STR and QCK
Level 5: Add berserker. Get QCK to 15 if it wasn't, everything else into STR.
Level 6: QCK to 20, and add to STR as much as you can
Level 7: Add an Eliminate. Add another berserker. All points go into STR.
Level 8: STR to 43, and anything left over goes into QCK.
Level 9: STR to 47, and anything left over goes into QCK. Add Ambush stones.
Level 10: STR to 50, your QCK to 25, and everything else goes into STR.
Level 11: Get STR as high as you can.
Level 12: STR to 60, and everything else into QCK.
Level 13: Add berserker, QCK to 35, and everything else into STR
Level 14: All points go into STR
Level 15: Add Ambush. Push STR as high as you can
Level 16: STR to 77, and push your QCK up as high as you can
Level 17: QCK to 50, extra points into STR (Level 18-25: STR)