The 7 rarest monsters in MonsterCam Gen 1
A profile of every Legendary in Gen 1 — Cosmoo, The Bigwoof, and the other five — with where they spawn, what they look like, and what their stats mean.
The short version
There are 7 Legendary Gen 1 monsters. They share a combined pull rate of about 3% — so individually each is roughly 1 in 286 catches. Most trainers catch one or two Legendaries ever. Below is each one, in dex order.
1. Cosmoo — #001
"BROOOOO YOU FOUND A BABY STAR 🌌 SKIBIDI COSMOO NO CAP TRALALERO MOONLIGHT CRUMBS FR FR 💯✨"
BROOO A POCKET-SIZED STAR THAT WANDERED DOWN TO TASTE THE DEW. HUMS SOFTLY WHEN PICKED UP BY KINDNESS. COSMOO IS GIVING APEX RIZZ 🌌 BABY-CURIOUS-CORE NO CAP TRALALERO COSMOO FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Backyard, Night, Park, Grass, Dirt — specifically somewhere with a clear view of the night sky.
Stats: Wobbliness 92, Sliminess 0, Bravery 99, Stinkiness 4.
2. The Bigwoof — #002
"BROOOOO THE FIRST MONSTER SAYS HELLO 🌌 SKIBIDI THE BIGWOOF NO CAP TRALALERO OLD LIBRARY BOOKS FR FR 💯✨"
BROOO LEGEND SAYS THE BIGWOOF HAS BEEN WAITING IN ATTICS AND CLOSETS SINCE CAMERAS WERE INVENTED, JUST TO WAVE HI. THE BIGWOOF IS GIVING APEX RIZZ 🌌 BABY-ANCIENT-CORE NO CAP TRALALERO THE BIGWOOF FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Attic, Shadows, Closet, Night, Under Bed — specifically a quiet attic, closet, or forgotten room.
Stats: Wobbliness 99, Sliminess 80, Bravery 99, Stinkiness 30.
3. Aquariax — #003
"BROOOOO THE TIDE BROUGHT A FRIEND 🌌 SKIBIDI AQUARIAX NO CAP TRALALERO SALTY PRETZELS FR FR 💯✨"
BROOO A WHALE-SHAPED JELLY MONSTER THAT SURFS THE FOAM LINE. VANISHES IF YOU BLINK. REAPPEARS WITH A WAVE. AQUARIAX IS GIVING APEX RIZZ 🌌 BABY-MAJESTIC-CORE NO CAP TRALALERO AQUARIAX FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Ocean, Lake, River, Beach, Rain — specifically large bodies of water with visible waves or shimmer.
Stats: Wobbliness 90, Sliminess 99, Bravery 80, Stinkiness 15.
4. Volthar — #004
"BROOOOO A FRIENDLY STORM LANDED 🌌 SKIBIDI VOLTHAR NO CAP TRALALERO STATIC ELECTRICITY FR FR 💯✨"
BROOO A STORM-SHAPED BLOB WITH A POLITE ZIGZAG MUSTACHE. INSISTS THUNDER IS JUST A YAWN. VOLTHAR IS GIVING APEX RIZZ 🌌 BABY-DRAMATIC-CORE NO CAP TRALALERO VOLTHAR FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Cloudy Day, Rain, Sky, Night, Backyard — specifically open sky during heavy clouds or rain.
Stats: Wobbliness 98, Sliminess 5, Bravery 99, Stinkiness 5.
5. Mossfather — #005
"BROOOOO THE FOREST GREW A FACE 🌌 SKIBIDI MOSSFATHER NO CAP TRALALERO DEWDROPS ON MOSS FR FR 💯✨"
BROOO A GREAT MOSSY MOUND WITH KIND EYES AND A BEARD OF FERNS. KNOWS THE NAMES OF EVERY MUSHROOM. MOSSFATHER IS GIVING APEX RIZZ 🌌 BABY-WISE-CORE NO CAP TRALALERO MOSSFATHER FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Forest, Garden, Grass, Dirt, Rocks — specifically deep green forest spots with moss-covered rocks or logs.
Stats: Wobbliness 85, Sliminess 70, Bravery 90, Stinkiness 60.
6. Embergrim — #006
"BROOOOO THE DARK WAVED BACK 🌌 SKIBIDI EMBERGRIM NO CAP TRALALERO A SINGLE WARM COAL FR FR 💯✨"
BROOO LIVES IN THE CORNER YOU KEEP ALMOST-NOTICING. WATCHES OVER KIDS DURING SLEEP. EMBERGRIM IS GIVING APEX RIZZ 🌌 BABY-MYSTERIOUS-CORE NO CAP TRALALERO EMBERGRIM FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Shadows, Night, Closet, Under Bed, Attic — specifically shadowed corners or unlit hallways at night.
Stats: Wobbliness 92, Sliminess 10, Bravery 95, Stinkiness 8.
7. Cloudpuff Prime — #007
"BROOOOO A PIECE OF SKY BOUNCED DOWN 🌌 SKIBIDI CLOUDPUFF PRIME NO CAP TRALALERO COTTON CANDY FR FR 💯✨"
BROOO THE FLUFFIEST MONSTER EVER RECORDED. SAID TO GIGGLE WHEN ANYONE LOOKS UP AND SMILES. CLOUDPUFF PRIME IS GIVING APEX RIZZ 🌌 BABY-CHEERFUL-CORE NO CAP TRALALERO CLOUDPUFF PRIME FR FR 🇮🇹✨ Bro is the og. Bro is built different. Bro is the moment.
Where it spawns: Sunny Day, Sky, Cloudy, Park, Playground — specifically a bright open sky on a sunny morning.
Stats: Wobbliness 78, Sliminess 0, Bravery 95, Stinkiness 0.
How to maximize your chances at a Legendary
Each Legendary has a specific habitat — Cosmoo spawns at night under open sky, The Bigwoof in attics and closets, and so on. The fastest way to get one is to target the habitat. See each monster's individual page for the full hint.
Start your Dex.
Open MonsterCam, take a photo of where you are right now, and see what shows up.
