You've probably spent more time than you'd like to admit staring at the gray, swirling abyss of the Cap Kingdom in Super Mario Odyssey. It’s a moody place. Between the top hats and the monochrome hills, there is a certain rhythm to the world. But then you look at your list and see a gap. Cap Kingdom Moon 17 is one of those annoying collectibles that feels like it should be obvious, yet most players run right past it because they’re too busy staring at the Odyssey or trying to capture a Paragoomba.
It’s called "Treasure in the Bill Blasting Fog."
The name is a bit of a giveaway, honestly. It tells you exactly what you're looking for (treasure) and where it is (the fog). The problem? The fog in Bonneton is thick, and the Bill Blasters aren’t exactly known for being friendly neighbors. If you’re trying to 100% this game, this Power Moon is a mandatory stop on your trip back to the kingdom after you've progressed through the main story.
Finding the Bill Blaster Area
First things first. You can’t just stumble onto this moon the second you land in the game for the first time. Well, you can, but you need to know where the "back door" is. Most people find this one after they've cleared the initial boss fight and have some freedom to roam.
To get to the right spot, you need to head toward the Glasses Bridge. This is the large structure leading toward the Top-Hat Tower. Don’t go across the bridge, though. Instead, you’re looking for the area where the Bullet Bills are being fired. This is on the lower level, submerged in that thick, white mist that makes depth perception a nightmare.
Most players make the mistake of staying high. They think the "treasure" is on a platform or tucked behind a wall. Nope. It’s actually tucked away in a spot that requires you to use the game’s mechanics—specifically the Capture mechanic—to even see what you’re doing.
The Capture Strategy
You see those Bullet Bills? They aren’t just obstacles. They are your best friends for finding Cap Kingdom Moon 17.
- Shake your controller or hit the Y button to toss Cappy at a Bullet Bill.
- Once you’ve captured it, you have a limited fuse time.
- Don't just fly straight. You need to bank around the side of the large platform where the launchers are located.
The "treasure" isn't sitting out in the open. It’s hidden in a small alcove built into the side of the masonry. Specifically, if you are facing the Top-Hat Tower from the entrance of the area, you want to fly to the right side of the platform that houses the Bill Blasters.
There is a tiny ledge. It’s almost invisible if you aren't at the right angle.
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Why People Miss Treasure in the Bill Blasting Fog
It’s the fog. Pure and simple. Nintendo’s level designers are masters of using environmental effects to hide things in plain sight. In the Cap Kingdom, the fog acts as a visual "floor." Your brain tells you that if you fall into the white mist, you’re going to lose a life.
But for Cap Kingdom Moon 17, the fog is actually a layer you have to navigate through.
When you're piloting the Bullet Bill, you'll see a trail of coins. Follow them. Coins in Super Mario Odyssey are rarely just "flavor." They are breadcrumbs. They lead you directly to the hidden hole in the wall. If you hit the wall, you explode. If you're too slow, you explode. It’s a bit of a tight squeeze, but once you navigate inside that little cubby hole, you’ll find a chest.
Hit the chest. The moon pops out. Simple.
Nuance in the Movement
Wait. There’s a trick to the Bullet Bill speed. If you find yourself constantly exploding before you reach the alcove, stop holding the Y button. Accelerating makes you faster, sure, but it also makes you turn like a cruise ship.
For Cap Kingdom Moon 17, precision is better than speed.
Hover near the launchers, wait for a fresh Bill, capture it, and then gently steer toward the side of the platform. You’ll notice the platform has a "stair-step" design on its side. The moon is tucked into one of these notches.
The Technical Reality of Power Moon 17
Let’s talk about the Power Moon list for a second. In the Cap Kingdom, there are 31 moons total (including the Post-Game and Moon Pipe ones). Moon 17 sits right in the middle of the "standard" list.
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If you look at the official Super Mario Odyssey strategy guide by Prima Games, they categorize this as a "Secret" type moon rather than a "Task" moon. This means it doesn't require a quest or an NPC interaction. It's just there.
- Location: Side of the Bill Blaster platform.
- Requirement: Capture a Bullet Bill.
- Difficulty: 2/5 (it's only hard if you're afraid of the fog).
Interestingly, some speedrunners skip this moon in a "Minimum Moons" run because it's slightly out of the way compared to the moons on the main path to the Top-Hat Tower boss. But for a completionist? It’s a five-second detour that saves you the headache of coming back later.
Common Mistakes to Avoid
Don't try to jump down there as Mario. Seriously.
I’ve seen people try to use the long jump or the Cappy-dive-jump combo to reach the ledge. While it's technically possible if you're a platforming god, it's incredibly risky. The ledge is narrow. The collision physics on the side of the platform can be a bit slippery. If you miss, you fall into the void, lose 10 coins, and start back at the checkpoint.
Just use the Bullet Bill. That’s what it’s there for.
Another thing: make sure you’ve actually triggered the Bullet Bills to spawn. If you’re in the very early "Tutorial" phase of the game before you've even met Cappy properly or before the world "opens up" after the first boss, the enemy placements might be different. This moon is best grabbed once the kingdom is in its "standard" state.
The Completionist Context
Getting Cap Kingdom Moon 17 is part of the broader "Mastering the Cap Kingdom" grind. Because this kingdom is so small compared to the Sand Kingdom or the Metro Kingdom, people assume it's easy. But the verticality of Bonneton is deceptive.
Most players finish the game with about 200-300 moons. To get the "True" ending and unlock the final challenges (like the Darker Side of the Moon), you need way more. Every "hidden in a hole" moon like number 17 is a building block toward that goal.
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If you are struggling to find it even with these instructions, check your map. When you’re standing on the Glasses Bridge looking back toward the Odyssey, the Bill Blaster area is to your left. The fog is thickest there.
Actionable Steps for Your Next Session
If you’re sitting in front of your Switch right now, here is exactly what you do to check this off your list forever.
First, warp to the Central Plaza checkpoint. It’s the most reliable starting point. Run toward the bridge but hang a left before you cross it. Look for the black cannons firing the Bullet Bills.
Capture the first Bill that comes toward you. Instead of flying toward the tower, do a U-turn or a wide arc to the right side of the structure the cannons are sitting on. Look for the coins. They are glowing in the fog. Fly into the hole, hit the chest, and collect your prize.
Once you have Moon 17, don't just warp out. There’s a hidden 2D mural nearby and another moon (number 16) that involves a "Treasure Trap" which is also in this general vicinity. You might as well grab both while you’re down in the dirt.
Pro Tip: If you're playing in handheld mode, turn your brightness up. The Cap Kingdom's gray-on-white-on-black color palette makes these hidden alcoves nearly impossible to see on a screen with glare.
Check your list. If "Treasure in the Bill Blasting Fog" has a gold star next to it, move on to the next one. You’re one step closer to the 880 (or 999) moon goal.