Check your inventory (Space or I) from time to time to see if you've acquired any new weights for your Flail. If so, add them on and then sell the old ones for gold at the merchant in town.
A Sense of Rage:
As you beat up monsters your rage bar will increase (shouldn't it be the other way around?) Then hit the number keys to unleash special attacks.
Make sure to turn these attacks off again (by hitting the key a second time) or all your rage will disappear.
At the end chapter 2, 2 round-if u go to the right side and just walk and attack the 4-5 blue monsters, the other ones on the left can't