Stats

Stats determine many different aspects. So far, there are 5. Upgrade them to greater the effect.

Strength
Updrading strength will increase the damage dealt to monsters. Strength is one of those most important stats to upgrade as it could determine the longevity of the battle and whether or not the battle is a victory. Invest in Strength as much as you can.

Stamina
Stamina is important as well. The more you upgrade it, the less you have to rest during a battle. If your stamina runs out, you die instantly, regardless of your health.

Intelligence
Intelligence allows you to bargain with the shopkeeper and save some coin.

Defense
Defense determines the amount of damage you can block. It is essential if you are low on speed stats and can't dodge.

Speed
Speed increases your chances of dodging a monster's attack. If your build is heavy, consider investing in speed.