You can take out the
pass; it serves only as a placeholder in the sample code.
Assuming you are using the long sword, it may help somewhat to remove the
cleave command; since enemies show up in groups of no more than two, it is more effective to stick to attacking. I’m not sure whether it’s practical to beat this level without better items; when I tried it using the Long Sword, I lost 672 health with basically the same code as yours.
You may just have to upgrade your equipment. In my trials, the Short Sword cut health loss to 576, and the Darksteel Blade with power-up to 336 (not that I would necessarily especially recommend those; they just happened to be the ones I owned). Alternatives include buying items to increase your health and buying a shield that has bash capability. If you have enough gems, you could even get the Emperor’s Gloves. Or if you don’t want to upgrade, you could maybe even kill the ogres using a hammer to build fire traps. There are many options indeed.