Before searching, write down which version you have:
This is a third-party software that provides "Godmode" and other cheats for the latest supported store versions of the game. Trainer Features Breakdown
Warrior Within has a notorious difficulty spike against the and Kaileena boss fights. A patched OHK function works on patched boss health values , which are notoriously dynamic (they scale with your weapon upgrades).
For those on modern platforms, the FearLess Cheat Engine table is highly effective. It supports Steam and GOG versions and features "1-Hit Kill" for bosses like the Dahaka and the Empress.