How to Get a Strombonin in My Singing Monsters in 5 Easy Steps

Learn how to breed this elusive Mythical monster

Written by Hannah Dillon

Last Updated: December 11, 2025 Fact Checked

Are you trying to breed a Strombonin in My Singing Monsters? Strombonin is a Mythical monster that was first added to the game in September 2022. With a little patience and perseverance, you can add this monster to your collection.

Breeding a Strombonin in My Singing Monsters

To get a Strombonin, the best combination is to breed a Spunge and a Bowgart. You'll need to breed these two monsters on Cold Island for a chance at getting a Strombonin. To increase your chances of getting a Strombonin, light Wishing Torches around your Breeding Structure.

Steps

1
Obtain some parent monsters. The best parents to breed a Strombonin are a Spunge and a Bowgart.^{[1]
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Research source} This is also the best combination if you're trying to breed a Rare Strombonin unless you already have a Strombonin.^{[2]
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- Note that this combo can also breed a Rare Spunge, Rare Bowgart, Rare Potbelly, or Rare Toe Jammer. If you're just trying to get a regular Strombonin, make sure to breed outside of a Rare breeding window.
Monsters must be at least level 4 to breed, so level up your parent monsters if they're not already at least level 4.^{[3]
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3
Upgrade your Breeding Structures if you wish. While not necessary, you can upgrade your Breeding Structures to reduce breeding times by 25%. You can upgrade your structure by spending 25 diamonds.
- You can also add Wishing Torches around your Breeding Structure to help increase the odds of a rare monster being bred.^{[4]
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  Research source} Wishing Torches can be lit for 24 hours by paying 2 diamonds or be lit permanently by paying 100 diamonds.
4
Breed the parent monsters on Cold Island. Once you're ready to breed your monsters, put them in the Breeding Structure. A Strombonin egg is turquoise with blue scales and pink shells on it, similar in aesthetic to a Strombonin.^{[5]
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- To get a Rare Strombonin, you'll need to wait until a breeding window opens up. There are some promotions and events where all Rares of a certain element are available.^{[6]
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By default, a Strombonin egg takes 23 hours to hatch. However, if you've got enhanced Breeding Structures, it will hatch in 17 hours and 15 minutes.