I think I found a bug; If you don't upgrade a skill right away, like Bow Slam for a while because of the cooldown is increasing, you will get a higher/same chance on getting the Bow Slam book.
for lvl 12: All three on the enemy middle, cut and then attack upper one with both of your middle ones. the other two suport the orginal middle and orginal middle support the recently obtained one enemy
tactical my ass, I attack a shielded target cus his low, and Veradux attacks the unshielded target with the ting that takes away a buff on the target, then I attack his target and hits it big and then he ATTACK THE *OTHERFCKN other target and i loose cuz of that Q_Q