Hogwarts Legacy Herodiana Puzzle: Complete Guide to Solving All 15 Moon Challenges

Herodiana’s puzzles are among the most atmospheric, and occasionally head-scratching, side activities in Hogwarts Legacy. Scattered across the Scottish Highlands and within the castle itself, these 15 moth-and-moon challenges reward exploration and careful observation. Unlike the arithmetic door puzzles found elsewhere in the game, Herodiana’s collection demands that players manipulate lunar phases to guide enchanted moths to their destinations.

Completing all 15 puzzles unlocks a unique cosmetic reward and contributes to 100% completion. This guide breaks down every location, provides step-by-step solutions, and shares strategies to tackle these puzzles without wasting time backtracking or fumbling in dimly lit chambers. Whether you’re hunting collectibles or just stumbled across a glowing moth, here’s everything you need to know.

What Are the Herodiana Puzzles in Hogwarts Legacy?

Herodiana Byrne was a brilliant witch whose legacy lives on through a series of moth-to-moon puzzles hidden throughout the Hogwarts grounds and surrounding regions. Each puzzle revolves around the same core mechanic: the player must guide an enchanted moth to a crescent moon frame positioned somewhere in the chamber.

The catch? The moon must be in the correct phase, full, crescent, or gibbous, before the moth will settle. Interact with nearby moon dials to rotate the lunar phase until it matches the shape shown on the moth’s destination marker. Once aligned, cast Lumos to attract the moth and lead it to the frame. When solved, the puzzle releases a burst of light and deposits loot, usually gold, gear, or conjuration recipes.

Herodiana’s puzzles are entirely optional but are woven into the world organically. There’s no quest marker spamming your map: you’ll stumble upon them while exploring ruins, towers, and hidden grottos. According to coverage by Twinfinite, these puzzles are frequently missed by players who rush the main story.

How the Moon Phase Mechanic Works

Each puzzle chamber contains one or more moon dials, circular platforms or wall-mounted mechanisms that, when activated, rotate through three lunar phases: new moon (dark), crescent, half, gibbous, and full. The moth’s destination frame displays a specific phase: rotate the dial until the physical moon in the room matches that silhouette.

Some puzzles require multiple moon dials to be set correctly in sequence. Others hide dials behind breakable objects or in adjacent rooms. The key is to scan your surroundings before interacting with the moth. If the moth won’t move or abandons you mid-flight, the moon phase is wrong.

Rewards for Completing Herodiana’s Collection

Each individual puzzle drops 100-300 gold and occasionally a piece of gear or a conjuration schematic. Completing all 15 unlocks Herodiana’s Cape, a unique cosmetic with a crescent moon pattern stitched across the shoulders. The cape won’t change your stats, but it’s one of the few collection-based cosmetics in the game and a satisfying trophy for completionists.

Also, finishing the collection counts toward the Collector’s Edition trophy/achievement, which requires finding multiple collectible sets across the map.

Essential Tools and Spells Needed

You won’t need an extensive spell arsenal to solve Herodiana’s puzzles, but a few specific abilities are mandatory:

• Lumos: Required to attract and guide moths. You learn this early in the main story during the Jackdaw’s Rest quest. Without Lumos, the moth ignores you.
• Revelio: Highlights interactive objects, moon dials, and hidden pathways. Spam this liberally in every puzzle chamber.
• Alohomora (Level I–III): Some puzzle locations are locked behind doors that require lockpicking. You’ll need at least Alohomora Level II to access puzzles in the Forbidden Forest and Feldcroft regions.
• Flight (Broom or Mount): Several puzzles are tucked into towers, cliffsides, or ruins unreachable on foot. Unlocking broom flight early in the story saves significant backtracking time.

No combat spells are needed, Herodiana’s puzzles are entirely environmental. But, enemies sometimes patrol nearby ruins, so keep Stupefy or Incendio ready if you’re exploring at a low level.

All 15 Herodiana Puzzle Locations and Solutions

Below is a region-by-region breakdown of every Herodiana puzzle. Coordinates are approximate and based on map grid sectors visible in-game. Solutions assume you’ve already entered the puzzle chamber and located the moth.

Hogwarts Castle Herodiana Puzzles

1. Bell Tower Wing (Lower Level)

• Location: Accessible from the Bell Tower Courtyard Floo Flame. Descend the spiral staircase to the east.
• Solution: The moth spawns near a statue. One moon dial sits on the floor in the center of the room. Rotate it to crescent phase (matches the frame on the north wall). Use Lumos to guide the moth up and over the banister.

2. Astronomy Wing (Observatory Annex)

• Location: Inside the faculty tower north of the Astronomy Classroom. Locked door requires Alohomora Level I.
• Solution: Two moon dials. Set the first (on the left pillar) to full moon, the second (right pillar) to gibbous. The moth will spiral upward through the observatory skylight if both are correct. Cast Lumos and walk slowly, sharp turns cause the moth to reset.

3. Library Annex (Restricted Section)

• Location: Hidden room behind the portrait on the second floor of the Library Annex. Burn the spiderweb with Incendio to reveal the entrance.
• Solution: Single dial puzzle. Rotate to new moon (completely dark). The moth is shy here: you must stand still and let it approach you before moving. Guide it to the frame above the bookshelf.

Players often overlook this one. It’s tucked behind a fake wall, and the puzzle mechanics can be counterintuitive at first.

South Hogwarts Region Puzzles

4. Lower Hogsfield Hamlet

• Location: East of the hamlet, inside a ruined stone cottage. Floo to Lower Hogsfield, then fly southeast.
• Solution: The dial is outside the cottage, partially hidden by tall grass. Set it to crescent. The moth spawns inside but flies out through the broken roof. Guide it back in through the doorway.

5. Aranshire (Cliffside Ruin)

• Location: Northeast of Aranshire, perched on a cliff overlooking the coastline.
• Solution: Two dials. Left dial: full moon. Right dial: half moon. The moth circles the ruin counterclockwise: intercept it near the left pillar with Lumos active.

6. West Manor Cape

• Location: Small island ruin southwest of the Manor Cape Floo Flame. Requires broom to reach.
• Solution: Dial hidden underwater in the shallow pool. Use Revelio to spot the glowing outline. Set to gibbous. The moth hovers above the water, walk into the pool to trigger its path.

Hogsmeade Valley and North Ford Bog Puzzles

7. Hogsmeade Valley (North of Upper Hogsfield)

• Location: Tower ruin northwest of Upper Hogsfield. Visible from the main road.
• Solution: Three-dial puzzle. From left to right: crescent, full, gibbous. The moth won’t activate until all three are set. This is the first multi-stage puzzle most players encounter.

8. North Ford Bog (Bandit Camp)

• Location: Inside the ruins occupied by Ashwinder Scouts, northwest corner of North Ford Bog.
• Solution: Clear the camp first (or sneak in). Single dial near the campfire. Set to new moon. The moth is camouflaged against the stone, use Revelio to spot it.

9. San Bakar’s Tower (Lower Chamber)

• Location: Accessible during or after the San Bakar’s Trial main quest. Basement level.
• Solution: Two dials flanking the entrance. Both set to full moon. The moth spawns behind a destructible wall (use Bombarda or Confringo). Guide it through the narrow corridor: tight spaces cause frequent resets here.

Forbidden Forest and Feldcroft Region Puzzles

10. Forbidden Forest (North Entrance)

• Location: Ruin just south of the North Ford Bog Gate. Locked door requires Alohomora Level II.
• Solution: Dial is on the exterior wall. Set to crescent. The moth is inside, but the moon frame is outside. Open the door, activate Lumos, then backtrack to lure the moth out.

This puzzle trips up many players because the logic-based sequencing feels backward, you solve the outside before entering.

11. Feldcroft Region (Isidora’s Cottage Ruins)

• Location: East of Feldcroft Catacomb Floo Flame, near Isidora’s old camp.
• Solution: Two dials. Left: half moon. Right: gibbous. Moth spawns under the collapsed roof. You’ll need to climb onto the ruins and drop down to access the moth, then guide it back up the broken stairs.

12. Rookwood Castle (Outer Courtyard)

• Location: Southeast of Feldcroft, inside Rookwood’s outer defenses. Part of the It’s All Gobbledegook quest area.
• Solution: Single dial. Set to full moon. The moth is aggressive here, it moves fast. Sprint with Lumos active to keep up.

Cragcroftshire and Clagmar Coast Puzzles

13. Cragcroftshire (Overlook Ruin)

• Location: High on the western cliffs of Cragcroftshire, northwest of the region’s central Floo Flame.
• Solution: Three-dial puzzle. Left to right: new moon, crescent, full. The moth won’t spawn until all three are correct. Frame is hidden behind a pillar, rotate your camera to spot it.

Guides on Game8 note this as one of the most commonly missed due to its elevation and lack of nearby landmarks.

14. Clagmar Coast (Lighthouse Ruin)

• Location: Southern tip of Clagmar Coast, inside the abandoned lighthouse.
• Solution: Four-dial puzzle, the only one in the game. Sequence: crescent, half, gibbous, full (phases in ascending order). The moth spawns at the top of the lighthouse. Guide it down the spiral staircase slowly: fast movement causes it to despawn.

15. Poidsear Coast (Coastal Cave)

• Location: Cave entrance on the eastern shore of Poidsear Coast, accessible only by broom or boat.
• Solution: Two dials submerged in tidal pools. Left: gibbous. Right: full. Wait for the tide animation to cycle (about 10 seconds) before the moth activates. This is the final puzzle in most players’ collections.

Tips and Strategies for Solving Moon Puzzles Efficiently

Herodiana’s puzzles aren’t mechanically difficult, but environmental quirks and hidden dials can waste time. Here’s how to streamline your approach.

Use a Checklist or Map Tracker: The game doesn’t track which puzzles you’ve completed. Mark them off manually or use a third-party checklist. Some players screenshot solved locations to avoid revisiting.

Fly High First: Many puzzle locations sit atop towers or cliffs. Survey from the air before landing to spot alternate entrances or exterior dials.

Rotate Dials Before Activating the Moth: Interacting with the moth starts a soft timer, it’ll despawn if you take too long. Set all moon phases first, then use Lumos.

Walk, Don’t Run: Moths follow at a fixed pace. Sprinting or sharp turns break the tether. Maintain a steady walk and check over your shoulder frequently.

Save Before Multi-Dial Puzzles: Some puzzles (especially the lighthouse) reset if you fail. Manual saves prevent having to re-clear enemy camps or navigate tricky terrain twice.

Using Lumos to Navigate Dark Chambers

Lumos does double duty in these puzzles: it attracts moths and illuminates hidden pathways. In several locations, particularly the Library Annex and Forbidden Forest ruins, key dials or frames are tucked into shadows.

Cast Lumos before entering puzzle rooms. The spell’s radius reveals interactive objects that Revelio sometimes misses, especially if they’re behind furniture or foliage. Lumos also highlights destructible walls and spiderwebs concealing secondary chambers.

Recognizing Moth Patterns and Lunar Alignments

Moths exhibit three movement patterns:

1. Static Hover: Moth stays in one spot until Lumos is cast. Most common in single-dial puzzles.
2. Patrol Loop: Moth circles the chamber. You must intercept its path with Lumos active. Common in outdoor ruins.
3. Chase Sequence: Moth actively follows you once tethered but breaks off if you stray too far or enter certain zones (water, fire, etc.).

If the moth resets mid-puzzle, the moon phase is usually wrong. Double-check every dial. In multi-dial setups, even one incorrect phase blocks progress. Some puzzles (like the lighthouse) require dials to be set in a specific order, not just to the correct phases simultaneously.

Common Mistakes to Avoid

Even experienced players trip over these pitfalls:

Skipping Revelio: Dials blend into stonework. Always cast Revelio when entering a new chamber. It highlights dials, moths, and frames with a golden shimmer.

Ignoring Exterior Dials: Several puzzles place dials outside the main chamber. If you can’t find a dial, exit the building and scan the perimeter.

Rushing the Moth: Moving too fast or taking erratic paths breaks the tether. Treat it like escorting an NPC, slow and steady.

Forgetting Alohomora Upgrades: Three puzzles require Alohomora Level II or III. If a door won’t open, return after completing Gladwin Moon’s side quest chain to unlock higher-tier lockpicking.

Not Clearing Enemies First: Some puzzle locations overlap with bandit camps or spider nests. Combat interrupts the moth sequence, forcing a reset. Clear hostiles before attempting the puzzle.

Assuming All Dials Are Identical: A few puzzles feature “decoy” dials that don’t affect the solution. If rotating a dial produces no visible change in the moon’s appearance, it’s likely a red herring. Focus on dials that trigger a phase shift.

What to Do After Completing All Herodiana Puzzles

Once you’ve solved all 15 puzzles, Herodiana’s Cape automatically unlocks in your Gear menu under Cloaks. Equip it from any wardrobe or the gear screen. The cape’s aesthetic pairs well with Ravenclaw or astronomy-themed outfits, and it’s one of the few cosmetics tied to exploration rather than story progression.

Completion also contributes to the Collector’s Edition achievement/trophy, which requires finishing multiple collectible sets: Demiguise Moons, Astronomy Tables, Ancient Magic Hotspots, and more. If you’re hunting 100% completion, cross-reference other collectible guides to track your progress.

For players who enjoy environmental storytelling, several puzzle locations contain Herodiana’s Notes, diary entries scattered throughout the ruins. Reading these adds context to her research on lunar magic and her eventual disappearance. They’re not required for the cape unlock but offer lore depth for fans of the game’s world-building.

Finally, if you missed any puzzles during your playthrough, you can revisit them post-game. All puzzle locations remain accessible, and there’s no missable window. Fast travel between Floo Flames to sweep regions efficiently.

Conclusion

Herodiana’s moth puzzles reward patience and exploration in equal measure. They’re a refreshing departure from combat-heavy side content, and the cape is a tangible (if cosmetic) prize for thorough map coverage. Whether you’re chasing 100% completion or just stumbled across a glowing moth in a forgotten ruin, now you’ve got the roadmap to clear all 15.

If you’re still working through other puzzle systems in the castle, the skills you’ve honed here, spatial awareness, Revelio spam, and methodical exploration, carry over. The Highlands are full of secrets, and Herodiana’s collection is just one thread in a much larger tapestry. Happy hunting.