|Green Bubbles Missile Room
Bubble Mountain Save Room
Upper Norfair Farming Room
|Adjacent rooms||Bat Cave
Stationed here, the most evil mini-boss of the game. King Cacatac and his machine gun!
Any% (KPDR and PRKD)
Leaving Bat Cave to Single Chamber
Aim down fixes the transition but the bottom waver near the Last Norfair Missile of 100% causes extra lag, so it isn't advised.
Technically it's also possible to jump from the right side to the left, but the window for this jump is small, so it's likely TAS-only.