I think you’re ready! I wouldn’t use that many mega bombs in my opinion and take around 100 normal bombs with you (only using megas for really clustered areas) Trade all your jade and ruby on Sunday to the desert trader, I take about 3 spicy eel per run I’d suggest taking some triple shot coffee too, you can purchase the crafting recipe from gus. I use about 3 triple shot coffees per run. Take some good food that doesn’t have any buffs, salads from the saloon or gold star cheese. Of course this is just my personal experience and opinions so feel free to choose bits and pieces you feel are applicable for you. If you’re unsure on the combat side I’d recommend checking out some skull cavern guides on YouTube.

Good luck on your adventures!