Lock and Load

First things first, you'll see a wall to your right that looks like it's about to crumble. Go ahead and let it crumble, then walk through. You'll encounter some enemies, so take them out. After that, you'll see a door that needs a missile to open. Use one to get through.

Next up, you'll find a statue. Roll into its hands – it'll restore your health and missiles, which is super handy. It'll also give you a little hint about where to go next. Once you're done there, head back to the elevator and take the door on your left.

Now, you need to carefully make your way up a shaft. Once you reach the top, head to the right. You should see a save room nearby on your map; it's a good idea to pop in and save your progress.

After saving, climb up the shaft again until you spot the first beetle enemy. Just to the right of it, you'll see a ledge. Jump to it. Now, jump against the right wall. Samus will grab onto the edge of a hidden tunnel – pull yourself up and roll to the right into it.

Inside this tunnel, set a bomb right by the wall. Then, roll underneath where you placed the bomb and keep bombing your way under some beetles. You'll see a beetle on the left wall; freeze it. Now, jump off that frozen beetle to reach a missile tank above! Nice find! Drop back down. You can freeze the other beetles if you want, but then use bombs to roll right into the next room.

Keep rolling right until you can't roll any further. Use a bomb to get out of this tunnel. Your goal now is to work your way up to the save room that's above you. Once you're there and have saved, climb all the way up to the door at the very top of this shaft.

Here's a little trick: instead of opening that door, jump to the platform nearby. You'll see a beetle on the lower left. Freeze it. Jump on top of that frozen beetle, and then freeze the next beetle when it gets close to the left wall. Now, jump on that second frozen beetle and make your way to the tunnel at the top of the left wall. Pull yourself up and roll inside.

You're almost there! Just roll down the small hill, and you'll grab another missile tank right in front of you. Grab it, then roll back to the right. Use a bomb to get back into the shaft.

From here, carefully drop all the way down the shaft. Once you're at the bottom, head right to the elevator and take it down to Norfair. You've made it through this section!