>>41437626I think that Flash could have been changed to a Flashlight key item, but I think the idea that they can be done without the HM is interesting. Also, Dark Cave in particular is really cool because literally nobody in the game has a Dunsparce and having a 1% encounter rate inside a pitch-black cave early in the game is awesome for the Pokémon based on the tsuchinoko. It's a legit playground urban legend Pokémon. Plus you can go back after getting Rock Smash and Surf to find more stuff. Also it's cool that there's a second hidden entrance at the end of Johto on an optional route that leads to Wobbuffet. For an entirely optional cave, it's really interesting.