Regaining Health Normally
The health bar of your character is located at the top corner of the screen. As in other video games, as soon as the health bar is completely depleted, your character will lose its life. To prevent from losing any health, try to avoid your enemy's attacks by dodging and ducking. If you wish to regain some of the health you have lost, you can pick up green health power ups. Additionally, with the more experience you gain, the more your health bar will grow.
Save Cheat
Whenever you reach a save point in the game, you can kneel to recover a bit of health before you save. You can repeat this as many times as you wish with no consequences. Use this to your advantage and recover your health bar completely before saving or advancing to the next level.
Game Shark
With the aid of an Game Shark, you can input a cheat that will give you infinite energy. To use your Game Shark, you will first need to insert the Game Shark disc, then input the code. Once the code has been entered, you will be able to open the PS2 cover, remove the Game Shark disc and then enter the "Mortal Kombat: Shaolin Monks" disc and play with the cheats enabled. One of these cheats it an infinite health cheat. At the Game Shark codes screen, enter the master code first, then enter the health cheat. The master code is 983B042E 78FBCCB1. Underneath the master code, enter "280CC8D0 0CA57A6F" and press "Start." You will then be prompted to enter the "Mortal Kombat: Shaolin Monks" game.
Health Upgrades
Scattered throughout the game, there are four health upgrades that will increase your health bar. The first is located in Wu-Shi Academy. The second is in the Living Forest, right by the entrance. The third is in the Wastelands after you cross the bridge. The final health upgrade is given to you after you defeat Kano in the Foundry.